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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Chromaticity</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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href="https://ca.wikipedia.org/wiki/Cromaticitat" title="Cromaticitat – Catalan" lang="ca" hreflang="ca" data-title="Cromaticitat" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Farbart" title="Farbart – German" lang="de" hreflang="de" data-title="Farbart" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/V%C3%A4rvsus" title="Värvsus – Estonian" lang="et" hreflang="et" data-title="Värvsus" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%81%D8%A7%D9%85%E2%80%8C%D8%AF%D8%A7%D8%B1%DB%8C" title="فام‌داری – Persian" lang="fa" hreflang="fa" data-title="فام‌داری" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%83%89%EB%8F%84" title="색도 – Korean" lang="ko" hreflang="ko" data-title="색도" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Cromaticit%C3%A0" title="Cromaticità – Italian" lang="it" hreflang="it" data-title="Cromaticità" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Chromaticiteit" title="Chromaticiteit – Dutch" lang="nl" hreflang="nl" data-title="Chromaticiteit" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Kromaticitet" title="Kromaticitet – Swedish" lang="sv" hreflang="sv" data-title="Kromaticitet" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kromatik_(renk)" title="Kromatik (renk) – Turkish" lang="tr" hreflang="tr" data-title="Kromatik (renk)" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a 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</div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Specification of color hue and saturation</div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the album by Tony MacAlpine, see <a href="/wiki/Chromaticity_(album)" title="Chromaticity (album)">Chromaticity (album)</a>.</div> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:PlanckianLocus.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/PlanckianLocus.png/250px-PlanckianLocus.png" decoding="async" width="250" height="281" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/PlanckianLocus.png/375px-PlanckianLocus.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/ba/PlanckianLocus.png/500px-PlanckianLocus.png 2x" data-file-width="1300" data-file-height="1462" /></a><figcaption>The <a href="/wiki/CIE_1931_color_space" title="CIE 1931 color space">CIE 1931</a> xy chromaticity space, also showing the chromaticities of black-body light sources of various temperatures, and lines of constant <a href="/wiki/Color_temperature#Correlated_color_temperature" title="Color temperature">correlated color temperature</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:3D_Chromaticity_Diagram_WideGamutRGB.svg" class="mw-file-description"><img alt="3D Chromaticity Diagram of the WideGamutRGB color space" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/3D_Chromaticity_Diagram_WideGamutRGB.svg/220px-3D_Chromaticity_Diagram_WideGamutRGB.svg.png" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cc/3D_Chromaticity_Diagram_WideGamutRGB.svg/330px-3D_Chromaticity_Diagram_WideGamutRGB.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cc/3D_Chromaticity_Diagram_WideGamutRGB.svg/440px-3D_Chromaticity_Diagram_WideGamutRGB.svg.png 2x" data-file-width="1266" data-file-height="1265" /></a><figcaption>3D chromaticity diagram of the WideGamutRGB color space</figcaption></figure> <p><b>Chromaticity</b> is an objective specification of the quality of a <a href="/wiki/Color" title="Color">color</a> regardless of its <a href="/wiki/Luminance" title="Luminance">luminance</a>. Chromaticity consists of two <a href="/wiki/Dimension" title="Dimension">independent parameters</a>, often specified as <a href="/wiki/Hue" title="Hue">hue</a> (h) and <a href="/wiki/Colorfulness" title="Colorfulness">colorfulness</a> (s), where the latter is alternatively called saturation, chroma, intensity,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> or <a href="/wiki/Excitation_purity" class="mw-redirect" title="Excitation purity">excitation purity</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> This number of parameters follows from <a href="/wiki/Trichromacy" title="Trichromacy">trichromacy</a> of vision of most humans, which is assumed by most models in <a href="/wiki/Color_science" title="Color science">color science</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Quantitative_description">Quantitative description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chromaticity&action=edit&section=1" title="Edit section: Quantitative description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In color science, the <a href="/wiki/White_point" title="White point">white point</a> of an illuminant or of a display is a neutral reference characterized by a chromaticity; all other chromaticities may be defined in relation to this reference using <a href="/wiki/Polar_coordinate_system" title="Polar coordinate system">polar coordinates</a>. The <i>hue</i> is the angular component, and the <i>purity</i> is the radial component, normalized<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="note that the chromaticity space does not have a canonical affine structure, so there are no invariantly defined ratios of lengths even along the same line (June 2013)">clarification needed</span></a></i>]</sup> by the maximum radius for that hue. </p><p>Purity is roughly equivalent to the term "<a href="/wiki/Colorfulness#Saturation" title="Colorfulness">saturation</a>" in the <a href="/wiki/HSL_and_HSV" title="HSL and HSV">HSV color model</a>. The property "<a href="/wiki/Hue" title="Hue">hue</a>" is as used in general color theory and in specific <a href="/wiki/Color_model" title="Color model">color models</a> such as <a href="/wiki/HSL_and_HSV" title="HSL and HSV">HSL and HSV</a> color spaces, though it is more <a href="/wiki/Color_difference#Tolerance" title="Color difference">perceptually uniform</a> in color models such as <a href="/wiki/Munsell_color_system" title="Munsell color system">Munsell</a>, <a href="/wiki/CIELAB_color_space" title="CIELAB color space">CIELAB</a> or <a href="/wiki/CIECAM02" title="CIECAM02">CIECAM02</a>. </p><p>Some <a href="/wiki/Color_space" title="Color space">color spaces</a> separate the three dimensions of color into one <a href="/wiki/Relative_luminance" title="Relative luminance">luminance</a> dimension and a pair of chromaticity dimensions. For example, the white point of an <a href="/wiki/SRGB" title="SRGB">sRGB</a> display is an <span class="texhtml mvar" style="font-style:italic;">x</span>, <span class="texhtml mvar" style="font-style:italic;">y</span> chromaticity of (0.3127, 0.3290), where <span class="texhtml mvar" style="font-style:italic;">x</span> and <span class="texhtml mvar" style="font-style:italic;">y</span> coordinates are used in the xyY space. </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:CIE_1976_UCS.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/CIE_1976_UCS.png/240px-CIE_1976_UCS.png" decoding="async" width="240" height="240" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/CIE_1976_UCS.png/360px-CIE_1976_UCS.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/CIE_1976_UCS.png/480px-CIE_1976_UCS.png 2x" data-file-width="2048" data-file-height="2048" /></a><figcaption><span class="texhtml">(<i>u′</i>, <i>v′</i>)</span>, the chromaticity in <a href="/wiki/CIELUV" title="CIELUV">CIELUV</a>, is a fairly <a href="/wiki/Color_difference#Tolerance" title="Color difference">perceptually uniform</a> presentation of the chromaticity as (another than in CIE 1931) planar <a href="/wiki/Euclidean_space" title="Euclidean space">Euclidean</a> shape. This presentation is a <a href="/wiki/Projective_transformation" class="mw-redirect" title="Projective transformation">projective transformation</a> of the CIE 1931 chromaticity diagram above.</figcaption></figure> <p>These pairs determine a chromaticity as <a href="/wiki/Affine_coordinates" class="mw-redirect" title="Affine coordinates">affine coordinates</a> on a <a href="/wiki/Triangle" title="Triangle">triangle</a> in a <a href="/wiki/Plane_(mathematics)" title="Plane (mathematics)">2D-space</a>, which contains all possible chromaticities. These <span class="texhtml mvar" style="font-style:italic;">x</span> and <span class="texhtml mvar" style="font-style:italic;">y</span> are used because of simplicity of expression in <a href="/wiki/CIE_1931_color_space" title="CIE 1931 color space">CIE 1931</a> (see below) and have no inherent advantage. Other <a href="/wiki/Coordinate_system" title="Coordinate system">coordinate systems</a> on the same X-Y-Z triangle, or other <a href="/wiki/Color_triangle" title="Color triangle">color triangles</a>, can be used. </p><p>On the other hand, some color spaces such as <a href="/wiki/RGB_color_spaces" title="RGB color spaces">RGB</a> and <a href="/wiki/CIE_1931_color_space#Definition_of_the_CIE_XYZ_color_space" title="CIE 1931 color space">XYZ</a> do not separate out chromaticity, but chromaticity is defined by a <a href="/wiki/Projectivization" title="Projectivization">mapping that normalizes out intensity</a>, and its coordinates, such as <span class="texhtml mvar" style="font-style:italic;">r</span> and <span class="texhtml mvar" style="font-style:italic;">g</span> or <span class="texhtml mvar" style="font-style:italic;">x</span> and <span class="texhtml mvar" style="font-style:italic;">y</span>, can be calculated through the <a href="/wiki/Division_(mathematics)" title="Division (mathematics)">division</a> operation, such as <span class="texhtml"><i>x</i> =</span> <style data-mw-deduplicate="TemplateStyles:r1214402035">.mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center}.mw-parser-output .sfrac .num{display:block;line-height:1em;margin:0.0em 0.1em;border-bottom:1px solid}.mw-parser-output .sfrac .den{display:block;line-height:1em;margin:0.1em 0.1em}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);clip-path:polygon(0px 0px,0px 0px,0px 0px);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}</style><span class="sfrac">⁠<span class="tion"><span class="num"><i>X</i></span><span class="sr-only">/</span><span class="den"><i>X</i> + <i>Y</i> + <i>Z</i></span></span>⁠</span>, and so on. </p><p>The xyY space is a cross between the CIE XYZ and its normalized chromaticity coordinates xyz, such that the luminance Y is preserved and augmented with just the required two chromaticity dimensions.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chromaticity&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Chromatic_diagrams" class="extiw" title="commons:Category:Chromatic diagrams">Chromatic diagrams</a></span>.</div></div> </div> <ul><li><a href="/wiki/CIE_xyY" class="mw-redirect" title="CIE xyY">CIE xyY</a> (chromaticity diagram)</li> <li><a href="/wiki/Chrominance" title="Chrominance">Chrominance</a></li> <li><a href="/wiki/Rg_chromaticity" title="Rg chromaticity">rg chromaticity</a></li> <li><a href="/wiki/Impossible_color" title="Impossible color">Impossible color</a></li> <li><a href="/wiki/Color_index" title="Color index">Color index</a> in astronomy</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chromaticity&action=edit&section=3" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text">In modern terminology the word "intensity" may refer to lightness, not to colorfulness.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFEmil_Wolf1961" class="citation book cs1">Emil Wolf (1961). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=5n7yXmBusL0C&q=chromaticity+hue+purity"><i>Progress in Optics</i></a>. North Holland Pub. Co.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Progress+in+Optics&rft.pub=North+Holland+Pub.+Co&rft.date=1961&rft.au=Emil+Wolf&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D5n7yXmBusL0C%26q%3Dchromaticity%2Bhue%2Bpurity&rfr_id=info%3Asid%2Fen.wikipedia.org%3AChromaticity" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLeslie_D._Stroebel,_Richard_D._Zakia1993" class="citation book cs1">Leslie D. Stroebel, Richard D. Zakia (1993). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/focalencyclopedi00lesl"><i>The Focal Encyclopedia of Photography</i></a></span>. Focal Press. p. <a rel="nofollow" class="external text" href="https://archive.org/details/focalencyclopedi00lesl/page/124">124</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-240-51417-8" title="Special:BookSources/978-0-240-51417-8"><bdi>978-0-240-51417-8</bdi></a>. <q>chromaticity hue saturation chroma colorfulness purity.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Focal+Encyclopedia+of+Photography&rft.pages=124&rft.pub=Focal+Press&rft.date=1993&rft.isbn=978-0-240-51417-8&rft.au=Leslie+D.+Stroebel%2C+Richard+D.+Zakia&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Ffocalencyclopedi00lesl&rfr_id=info%3Asid%2Fen.wikipedia.org%3AChromaticity" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCharles_A._Poynton2003" class="citation book cs1">Charles A. Poynton (2003). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=ra1lcAwgvq4C&q=chromaticity+xyy&pg=RA1-PA219"><i>Digital Video and HDTV: Algorithms and Interfaces</i></a>. Morgan Kaufmann. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-1-55860-792-7" title="Special:BookSources/978-1-55860-792-7"><bdi>978-1-55860-792-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Digital+Video+and+HDTV%3A+Algorithms+and+Interfaces&rft.pub=Morgan+Kaufmann&rft.date=2003&rft.isbn=978-1-55860-792-7&rft.au=Charles+A.+Poynton&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dra1lcAwgvq4C%26q%3Dchromaticity%2Bxyy%26pg%3DRA1-PA219&rfr_id=info%3Asid%2Fen.wikipedia.org%3AChromaticity" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Chromaticity&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Stanford University CS 178 <a rel="nofollow" class="external text" href="http://graphics.stanford.edu/courses/cs178-10/applets/threedgamut.html">interactive Flash demo </a> explaining chromaticity diagrams.</li> <li><a rel="nofollow" class="external text" href="https://sites.google.com/view/juddofelt/">JOES application software for calculation and plotting of CIE 1931 and 1976 from spectra</a><sup id="cite_ref-joes_5-0" class="reference"><a href="#cite_note-joes-5"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline 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class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Electromagnetic_spectrum" title="Electromagnetic spectrum">Electromagnetic spectrum</a> <ul><li><a href="/wiki/Light" title="Light">Light</a></li> <li><a href="/wiki/Rainbow" title="Rainbow">Rainbow</a></li> <li><a href="/wiki/Visible_spectrum" title="Visible spectrum">Visible</a></li></ul></li> <li><a href="/wiki/Spectral_color" title="Spectral color">Spectral colors</a></li> <li><a href="/wiki/Chromophore" title="Chromophore">Chromophore</a> <ul><li><a href="/wiki/Structural_coloration" title="Structural coloration">Structural coloration</a></li> <li><a href="/wiki/Animal_coloration" title="Animal coloration">Animal coloration</a></li></ul></li> <li><a href="/wiki/Color_of_chemicals" title="Color of chemicals">Color of chemicals</a> <ul><li><a href="/wiki/Color_of_water" title="Color of water">Water</a></li></ul></li> <li><a href="/wiki/Spectral_power_distribution" title="Spectral power distribution">Spectral power distribution</a></li> <li><a href="/wiki/Colorimetry" title="Colorimetry">Colorimetry</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_vision" title="Color vision">Color perception</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chromesthesia" title="Chromesthesia">Chromesthesia</a> <ul><li><a href="/wiki/Sonochromatism" title="Sonochromatism">Sonochromatism</a></li></ul></li> <li><a href="/wiki/Color_blindness" title="Color blindness">Color blindness</a> <ul><li><a href="/wiki/Achromatopsia" title="Achromatopsia">Achromatopsia</a></li> <li><a href="/wiki/Dichromacy" title="Dichromacy">Dichromacy</a></li></ul></li> <li><a href="/wiki/Color_calibration" title="Color calibration">Color calibration</a></li> <li><a href="/wiki/Color_constancy" title="Color constancy">Color constancy</a></li> <li><a href="/wiki/Color_task" title="Color task">Color task</a> <ul><li><a href="/wiki/Color_code" title="Color code">Color code</a></li></ul></li> <li><a href="/wiki/Color_temperature" title="Color temperature">Color temperature</a></li> <li><a href="/wiki/Color_vision_test" title="Color vision test">Color vision test</a></li> <li><a href="/wiki/Evolution_of_color_vision" title="Evolution of color vision">Evolution of color vision</a></li> <li><a href="/wiki/Impossible_color" title="Impossible color">Impossible colors</a></li> <li><a href="/wiki/Metamerism_(color)" title="Metamerism (color)">Metamerism</a></li> <li><a href="/wiki/Opponent_process" title="Opponent process">Opponent process</a> <ul><li><a href="/wiki/Afterimage" title="Afterimage">Afterimage</a></li> <li><a href="/wiki/Unique_hues" title="Unique hues">Unique hues</a></li></ul></li> <li><a href="/wiki/Tetrachromacy" title="Tetrachromacy">Tetrachromacy</a></li> <li><i><a href="/wiki/The_dress" title="The dress">The dress</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_psychology" title="Color psychology">Color psychology</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Color_symbolism" title="Color symbolism">Color symbolism</a></li> <li><a href="/wiki/Color_preferences" title="Color preferences">Color preferences</a></li> <li><a href="/wiki/L%C3%BCscher_color_test" title="Lüscher color test">Lüscher color test</a></li> <li><a href="/wiki/Kruithof_curve" title="Kruithof curve">Kruithof curve</a></li> <li><a href="/wiki/Political_colour" title="Political colour">Political color</a></li> <li><a href="/wiki/National_colours" title="National colours">National colors</a></li> <li><a href="/wiki/Chromophobia" title="Chromophobia">Chromophobia</a></li> <li><a href="/wiki/Chromotherapy" title="Chromotherapy">Chromotherapy</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_reproduction" title="Color reproduction">Color reproduction</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Color_photography" title="Color photography">Color photography</a> <ul><li><a href="/wiki/Color_balance" title="Color balance">Color balance</a></li> <li><a href="/wiki/Colour_cast" title="Colour cast">Color cast</a></li></ul></li> <li><a href="/wiki/Digital_image_processing" title="Digital image processing">Digital image processing</a></li> <li><a href="/wiki/Color_management" title="Color management">Color management</a></li> <li><a href="/wiki/Color_printing" title="Color printing">Color printing</a> <ul><li><a href="/wiki/Multi-primary_color_display" title="Multi-primary color display">Multi-primary color display</a></li> <li><a href="/wiki/Quattron" title="Quattron">Quattron</a></li></ul></li> <li><a href="/wiki/Color_model" title="Color model">Color model</a> <ul><li><a href="/wiki/Additive_color" title="Additive color">additive</a> <ul><li><a href="/wiki/RGB" class="mw-redirect" title="RGB">RGB</a></li></ul></li> <li><a href="/wiki/Subtractive_color" title="Subtractive color">subtractive</a> <ul><li><a href="/wiki/CMYK" class="mw-redirect" title="CMYK">CMYK</a></li></ul></li></ul></li> <li><a href="/wiki/Color_space" title="Color space">Color space</a></li> <li><a href="/wiki/Color_mapping" class="mw-redirect" title="Color mapping">Color mapping</a></li></ul> </div></td></tr></tbody></table><div></div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:RGB_color_wheel.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/RGB_color_wheel.svg/100px-RGB_color_wheel.svg.png" decoding="async" width="100" height="83" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/RGB_color_wheel.svg/150px-RGB_color_wheel.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/RGB_color_wheel.svg/200px-RGB_color_wheel.svg.png 2x" data-file-width="600" data-file-height="500" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Philosophy_of_color" title="Philosophy of color">Color<br />philosophy</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_scheme" title="Color scheme">Color scheme</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Color_picker" title="Color picker">Color tool</a> <ul><li><a href="/wiki/Monochromatic_colors" class="mw-redirect" title="Monochromatic colors">Monochromatic colors</a> <ul><li><a href="/wiki/Black-and-white" title="Black-and-white">black-and-white</a></li></ul></li> <li><a href="/wiki/Complementary_colors" title="Complementary colors">Complementary colors</a></li> <li><a href="/wiki/Analogous_colors" title="Analogous colors">Analogous colors</a></li> <li><a href="/wiki/Grey" title="Grey">Achromatic colors (Neutral)</a></li> <li><a href="/wiki/Polychrome" title="Polychrome">Polychromatic colors</a></li></ul></li> <li><a href="/wiki/Light-on-dark_color_scheme" title="Light-on-dark color scheme">Light-on-dark</a></li> <li><a href="/wiki/Web_colors" title="Web colors">Web colors</a></li> <li><a href="/wiki/Tincture_(heraldry)" title="Tincture (heraldry)">Tinctures in heraldry</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_theory" title="Color theory">Color theory</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Color_mixing" title="Color mixing">Color mixing</a> <ul><li><a href="/wiki/Primary_color" title="Primary color">Primary color</a></li> <li><a href="/wiki/Secondary_color" title="Secondary color">Secondary color</a></li></ul></li> <li><a class="mw-selflink selflink">Chromaticity</a></li> <li><a href="/wiki/Color_solid" title="Color solid">Color solid</a></li> <li><a href="/wiki/Color_wheel" title="Color wheel">Color wheel</a></li> <li><a href="/wiki/Color_triangle" title="Color triangle">Color triangle</a></li> <li><a href="/wiki/Color_analysis" title="Color analysis">Color analysis</a> (fashion)</li> <li><a href="/wiki/Color_realism_(art_style)" title="Color realism (art style)">Color realism (art style)</a></li> <li><i><a href="/wiki/On_Vision_and_Colours" title="On Vision and Colours">On Vision and Colours</a></i> (Schopenhauer)</li> <li><i><a href="/wiki/Theory_of_Colours" title="Theory of Colours">Theory of Colours</a></i> (Goethe)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_term" title="Color term">Color terms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Color_term#Basic_color_terms" title="Color term">Basic terms</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blue" title="Blue">Blue</a></li> <li><a href="/wiki/Green" title="Green">Green</a></li> <li><a href="/wiki/Red" title="Red">Red</a></li> <li><a href="/wiki/Yellow" title="Yellow">Yellow</a></li> <li><a href="/wiki/Pink" title="Pink">Pink</a></li> <li><a href="/wiki/Purple" title="Purple">Purple</a></li> <li><a href="/wiki/Orange_(colour)" title="Orange (colour)">Orange</a></li> <li><a href="/wiki/Black" title="Black">Black</a></li> <li><a href="/wiki/Grey" title="Grey">Gray</a></li> <li><a href="/wiki/White" title="White">White</a></li> <li><a href="/wiki/Brown" title="Brown">Brown</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Category:Color_in_culture" title="Category:Color in culture">Cultural differences</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Linguistic_relativity_and_the_color_naming_debate" title="Linguistic relativity and the color naming debate">Linguistic relativity and the color naming debate</a> <ul><li><a href="/wiki/Blue%E2%80%93green_distinction_in_language" title="Blue–green distinction in language">Blue–green distinction in language</a></li></ul></li> <li>Color history <ul><li><a href="/wiki/Black-and-white_dualism" title="Black-and-white dualism">Black-and-white dualism</a></li> <li><a href="/wiki/Blue_in_culture" title="Blue in culture">Blue in culture</a></li> <li><a href="/wiki/Color_in_Chinese_culture" title="Color in Chinese culture">Color in Chinese culture</a></li> <li><a href="/wiki/Traditional_colors_of_Japan" title="Traditional colors of Japan">Traditional colors of Japan</a></li> <li><a href="/wiki/Human_skin_color" title="Human skin color">Human skin color</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Color dimensions</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Hue" title="Hue">Hue</a> <ul><li><a href="/wiki/Dichromatism" title="Dichromatism">Dichromatism</a></li></ul></li> <li><a href="/wiki/Colorfulness" title="Colorfulness">Colorfulness</a> <ul><li><a href="/wiki/Pastel_(color)" title="Pastel (color)">Pastel colors</a></li></ul></li> <li><a href="/wiki/Luminance" title="Luminance">Luminance</a> <ul><li><a href="/wiki/Lightness" title="Lightness">Lightness</a></li> <li><a href="/wiki/Darkness" title="Darkness">Darkness</a></li> <li><a href="/wiki/Brightness" title="Brightness">Brightness</a></li> <li><a href="/wiki/Iridescence" title="Iridescence">Iridescence</a></li> <li><a href="/wiki/Fluorescence" title="Fluorescence">Fluorescence</a></li></ul></li> <li><a href="/wiki/Grayscale" title="Grayscale">Grayscale</a></li> <li><a href="/wiki/Tint,_shade_and_tone" title="Tint, shade and tone">Tint, shade and tone</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Color<br />organizations</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pantone" title="Pantone">Pantone</a></li> <li><a href="/wiki/Color_Marketing_Group" title="Color Marketing Group">Color Marketing Group</a></li> <li><a href="/wiki/Color_Association_of_the_United_States" title="Color Association of the United States">Color Association of the United States</a></li> <li><a href="/wiki/International_Colour_Authority" title="International Colour Authority">International Colour Authority</a></li> <li><a href="/wiki/International_Commission_on_Illumination" title="International Commission on Illumination">International Commission on Illumination</a> (CIE)</li> <li><a href="/wiki/International_Color_Consortium" title="International Color Consortium">International Color Consortium</a></li> <li><a href="/wiki/International_Colour_Association" title="International Colour Association">International Colour Association</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Names</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lists_of_colors" title="Lists of colors">Lists</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_colors:_A%E2%80%93F" title="List of colors: A–F">List of colors: A–F</a></li> <li><a href="/wiki/List_of_colors:_G%E2%80%93M" title="List of colors: G–M">List of colors: G–M</a></li> <li><a href="/wiki/List_of_colors:_N%E2%80%93Z" title="List of colors: N–Z">List of colors: N–Z</a></li> <li><a href="/wiki/List_of_colors_(compact)" class="mw-redirect" title="List of colors (compact)">List of colors (compact)</a></li> <li><a href="/wiki/List_of_colors_by_shade" title="List of colors by shade">List of colors by shade</a></li> <li><a href="/wiki/List_of_color_palettes" title="List of color palettes">List of color palettes</a></li> <li><a href="/wiki/List_of_color_spaces_and_their_uses" title="List of color spaces and their uses">List of color spaces</a></li> <li><a href="/wiki/List_of_Crayola_crayon_colors" title="List of Crayola crayon colors">List of Crayola crayon colors</a> <ul><li><a href="/wiki/History_of_Crayola_crayons" title="History of Crayola crayons">history</a></li></ul></li> <li><a href="/wiki/Color_chart" title="Color chart">Color chart</a></li> <li><a href="/wiki/List_of_RAL_colors" class="mw-redirect" title="List of RAL colors">List of RAL colors</a></li> <li><a href="/wiki/Web_colors" title="Web colors">List of web colors</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_colors_by_shade" title="List of colors by shade">Shades of:</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Shades_of_red" title="Shades of red">Red</a></li> <li><a href="/wiki/Shades_of_orange" title="Shades of orange">Orange</a></li> <li><a href="/wiki/Shades_of_yellow" title="Shades of yellow">Yellow</a></li> <li><a href="/wiki/Shades_of_green" title="Shades of green">Green</a></li> <li><a href="/wiki/Shades_of_cyan" title="Shades of cyan">Cyan</a></li> <li><a href="/wiki/Shades_of_blue" title="Shades of blue">Blue</a></li> <li><a href="/wiki/Shades_of_violet" title="Shades of violet">Violet</a></li> <li><a href="/wiki/Shades_of_purple" title="Shades of purple">Purple</a></li> <li><a href="/wiki/Shades_of_magenta" title="Shades of magenta">Magenta</a></li> <li><a href="/wiki/Shades_of_pink" title="Shades of pink">Pink</a></li> <li><a href="/wiki/Shades_of_brown" title="Shades of brown">Brown</a></li> <li><a href="/wiki/Shades_of_white" title="Shades of white">White</a></li> <li><a href="/wiki/Shades_of_gray" title="Shades of gray">Gray</a></li> <li><a href="/wiki/Shades_of_black" title="Shades of black">Black</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Index_of_color-related_articles" title="Index of color-related articles">Related</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Visual_perception" title="Visual perception">Vision</a> <ul><li><a href="/wiki/Contrast_(vision)" title="Contrast (vision)">Contrast</a></li></ul></li> <li><a href="/wiki/Qualia" title="Qualia">Qualia</a></li> <li><a href="/wiki/Lighting" title="Lighting">Lighting</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Color" title="Category:Color">Category</a></li> <li><span class="noviewer" typeof="mw:File"><span title="List-Class article"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Index_of_color-related_articles" title="Index of color-related articles">Index</a></li></ul> </div></td></tr></tbody></table></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-joes-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-joes_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFĆirićStojadinovićSekulićDramićanin2019" class="citation journal cs1">Ćirić, Aleksandar; Stojadinović, Stevan; Sekulić, Milica; Dramićanin, Miroslav D. (January 2019). "JOES: An application software for Judd-Ofelt analysis from Eu<sup>3+</sup> emission spectra". <i>Journal of Luminescence</i>. <b>205</b>: 351–356. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2019JLum..205..351C">2019JLum..205..351C</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.jlumin.2018.09.048">10.1016/j.jlumin.2018.09.048</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:105828989">105828989</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Luminescence&rft.atitle=JOES%3A+An+application+software+for+Judd-Ofelt+analysis+from+Eu%3Csup%3E3%2B%3C%2Fsup%3E+emission+spectra&rft.volume=205&rft.pages=351-356&rft.date=2019-01&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A105828989%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.jlumin.2018.09.048&rft_id=info%3Abibcode%2F2019JLum..205..351C&rft.aulast=%C4%86iri%C4%87&rft.aufirst=Aleksandar&rft.au=Stojadinovi%C4%87%2C+Stevan&rft.au=Sekuli%C4%87%2C+Milica&rft.au=Drami%C4%87anin%2C+Miroslav+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3AChromaticity" class="Z3988"></span></span> </li> </ol></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Chromaticity&oldid=1223658564">https://en.wikipedia.org/w/index.php?title=Chromaticity&oldid=1223658564</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Color" title="Category:Color">Color</a></li><li><a href="/wiki/Category:Photometry" title="Category:Photometry">Photometry</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Wikipedia_articles_needing_clarification_from_June_2013" title="Category:Wikipedia articles needing clarification from June 2013">Wikipedia articles needing clarification from June 2013</a></li><li><a href="/wiki/Category:Commons_category_link_is_on_Wikidata" title="Category:Commons category link is on Wikidata">Commons category link is on Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 13 May 2024, at 15:01<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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