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href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Ljusäkthet rootpage-Ljusäkthet skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Hoppa till innehållet</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Huvudmeny" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button 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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">dölj</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigering </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Portal:Huvudsida" title="Besök huvudsidan [z]" accesskey="z"><span>Huvudsida</span></a></li><li id="n-Introduktion" class="mw-list-item"><a href="/wiki/Wikipedia:Introduktion"><span>Introduktion</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Deltagarportalen" title="Om projektet, vad du kan göra, var man kan hitta saker"><span>Deltagarportalen</span></a></li><li id="n-Bybrunnen" class="mw-list-item"><a href="/wiki/Wikipedia:Bybrunnen"><span>Bybrunnen</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:Senaste_%C3%A4ndringar" title="Lista över de senaste ändringarna på wikin [r]" accesskey="r"><span>Senaste ändringarna</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Slumpsida" title="Gå till en slumpmässigt vald sida [x]" accesskey="x"><span>Slumpartikel</span></a></li><li id="n-filuppladdning" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard" title="Ladda upp filer till Wikimedia Commons"><span>Ladda upp filer</span></a></li><li id="n-Kontakta-Wikipedia" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt"><span>Kontakta Wikipedia</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Wikipedia:Hj%C3%A4lp" title="Platsen där du hittar hjälp"><span>Hjälp</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Portal:Huvudsida" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-sv.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:S%C3%B6k" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Sök i svenskspråkiga Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Sök</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search 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emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Ändra utseendet på sidans teckenstorlek, bredd och färg" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Utseende" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Utseende</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_sv.wikipedia.org&uselang=sv" class=""><span>Stöd Wikipedia</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Skapa_konto&returnto=Ljus%C3%A4kthet" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt" class=""><span>Skapa konto</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:Inloggning&returnto=Ljus%C3%A4kthet" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o" class=""><span>Logga in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Fler alternativ" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personliga verktyg" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personliga verktyg</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Användarmeny" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_sv.wikipedia.org&uselang=sv"><span>Stöd Wikipedia</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Skapa_konto&returnto=Ljus%C3%A4kthet" title="Du uppmuntras att skapa ett konto och logga in, men det är inte obligatoriskt"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Skapa konto</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:Inloggning&returnto=Ljus%C3%A4kthet" title="Inloggning ger tillgång till fler funktioner för den som vill skriva och redigera artiklar. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logga in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sidor för utloggade redigerare <a href="/wiki/Hj%C3%A4lp:Introduktion" aria-label="Läs mer om redigering"><span>läs mer</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:Mina_bidrag" title="En lista över redigeringar från denna IP-adress [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:Min_diskussion" title="Diskussion om redigeringar från det här IP-numret [n]" accesskey="n"><span>Diskussion</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Webbplats"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innehåll" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innehåll</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Tester_och_skalor" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tester_och_skalor"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Tester och skalor</span> </div> </a> <button aria-controls="toc-Tester_och_skalor-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Växla underavsnittet Tester och skalor</span> </button> <ul id="toc-Tester_och_skalor-sublist" class="vector-toc-list"> <li id="toc-Internationellt_använda_standardiserade_tester" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Internationellt_använda_standardiserade_tester"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Internationellt använda standardiserade tester</span> </div> </a> <ul id="toc-Internationellt_använda_standardiserade_tester-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Flera_olika_tester_och_skalor" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Flera_olika_tester_och_skalor"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Flera olika tester och skalor</span> </div> </a> <ul id="toc-Flera_olika_tester_och_skalor-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Många_faktorer_påverkar_en_målarfärgs_ljusäkthet" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Många_faktorer_påverkar_en_målarfärgs_ljusäkthet"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Många faktorer påverkar en målarfärgs ljusäkthet</span> </div> </a> <ul id="toc-Många_faktorer_påverkar_en_målarfärgs_ljusäkthet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referenser" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referenser"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Referenser</span> </div> </a> <ul id="toc-Referenser-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ljusäkthet</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="Gå till en artikel på ett annat språk. Tillgänglig på 9 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-9" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">9 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AB%D8%A8%D8%A7%D8%AA%D9%8A%D8%A9_%D8%B6%D9%88%D8%A6%D9%8A%D8%A9" title="ثباتية ضوئية – arabiska" lang="ar" hreflang="ar" data-title="ثباتية ضوئية" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Lys%C3%A6gthed" title="Lysægthed – danska" lang="da" hreflang="da" data-title="Lysægthed" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lichtechtheit" title="Lichtechtheit – tyska" lang="de" hreflang="de" data-title="Lichtechtheit" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Lightfastness" title="Lightfastness – engelska" lang="en" hreflang="en" data-title="Lightfastness" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A2%D7%9E%D7%99%D7%93%D7%95%D7%AA_%D7%91%D7%90%D7%95%D7%A8" title="עמידות באור – hebreiska" lang="he" hreflang="he" data-title="עמידות באור" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Lichtechtheid" title="Lichtechtheid – nederländska" lang="nl" hreflang="nl" data-title="Lichtechtheid" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-fi badge-Q17559452 badge-recommendedarticle mw-list-item" title="rekommenderad artikel"><a href="https://fi.wikipedia.org/wiki/Valonkesto" title="Valonkesto – finska" lang="fi" hreflang="fi" data-title="Valonkesto" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/I%C5%9F%C4%B1k_hasl%C4%B1%C4%9F%C4%B1" title="Işık haslığı – turkiska" lang="tr" hreflang="tr" data-title="Işık haslığı" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%80%90%E5%85%89%E8%89%B2%E7%89%A2%E5%BA%A6" title="耐光色牢度 – kinesiska" lang="zh" hreflang="zh" data-title="耐光色牢度" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q909369#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ljus%C3%A4kthet" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskussion:Ljus%C3%A4kthet&action=edit&redlink=1" rel="discussion" class="new" title="Diskussion om innehållssidan [inte skriven än] [t]" accesskey="t"><span>Diskussion</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Ändra språkvariant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">svenska</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visningar"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ljus%C3%A4kthet"><span>Läs</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&action=history" title="Tidigare versioner av sidan [h]" accesskey="h"><span>Visa historik</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Verktyg" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Verktyg</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verktyg</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">dölj</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fler alternativ" > <div class="vector-menu-heading"> Åtgärder </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Ljus%C3%A4kthet"><span>Läs</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit" title="Redigera denna sida [v]" accesskey="v"><span>Redigera</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit" title="Redigera wikitexten för den här sidan [e]" accesskey="e"><span>Redigera wikitext</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&action=history"><span>Visa historik</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Allmänt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Special:L%C3%A4nkar_hit/Ljus%C3%A4kthet" title="Lista över alla wikisidor som länkar hit [j]" accesskey="j"><span>Sidor som länkar hit</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:Senaste_relaterade_%C3%A4ndringar/Ljus%C3%A4kthet" rel="nofollow" title="Visa senaste ändringarna av sidor som den här sidan länkar till [k]" accesskey="k"><span>Relaterade ändringar</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:Specialsidor" title="Lista över alla specialsidor [q]" accesskey="q"><span>Specialsidor</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&oldid=49241775" title="Permanent länk till den här versionen av sidan"><span>Permanent länk</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&action=info" title="Mer information om denna sida"><span>Sidinformation</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:Citera&page=Ljus%C3%A4kthet&id=49241775&wpFormIdentifier=titleform" title="Information om hur den här artikeln kan användas som referens"><span>Använd som referens</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FLjus%25C3%25A4kthet"><span>Hämta förkortad url</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fsv.wikipedia.org%2Fwiki%2FLjus%25C3%25A4kthet"><span>Ladda ner QR-kod</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Skriv ut/exportera </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Special:Bok&bookcmd=book_creator&referer=Ljus%C3%A4kthet"><span>Skapa en bok</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=Ljus%C3%A4kthet&action=show-download-screen"><span>Ladda ned som PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Ljus%C3%A4kthet&printable=yes" title="Utskriftsvänlig version av den här sidan [p]" accesskey="p"><span>Utskriftsvänlig version</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andra projekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q909369" title="Länk till anslutet databasobjekt [g]" accesskey="g"><span>Wikidata-objekt</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Sidverktyg"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Utseende"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Utseende</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">dölj</button> </div> </div> </div> </nav> </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">Från Wikipedia</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="sv" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r46404281/mw-parser-output/.tmulti">.mw-parser-output .tmulti .thumbinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{text-align:left;background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .thumbcaption{text-align:center}}</style><div class="thumb tmulti tright"><div class="thumbinner" style="width:342px;max-width:342px"><div class="trow"><div class="tsingle" style="width:169px;max-width:169px"><div class="thumbimage" style=";height:111px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/Fil:Metropolia_sign_bleached.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Metropolia_sign_bleached.jpg/167px-Metropolia_sign_bleached.jpg" decoding="async" width="167" height="111" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Metropolia_sign_bleached.jpg/251px-Metropolia_sign_bleached.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Metropolia_sign_bleached.jpg/334px-Metropolia_sign_bleached.jpg 2x" data-file-width="4828" data-file-height="3219" /></a></span></div><div class="thumbcaption text-align-center">En skylt som utsatts för direkt solljus och förlorat sin ursprungliga färg.</div></div><div class="tsingle" style="width:169px;max-width:169px"><div class="thumbimage" style=";height:111px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/Fil:Metropolia_sign_unbleached.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Metropolia_sign_unbleached.jpg/167px-Metropolia_sign_unbleached.jpg" decoding="async" width="167" height="111" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Metropolia_sign_unbleached.jpg/251px-Metropolia_sign_unbleached.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Metropolia_sign_unbleached.jpg/334px-Metropolia_sign_unbleached.jpg 2x" data-file-width="4828" data-file-height="3219" /></a></span></div><div class="thumbcaption text-align-center">Samma skylts skuggsida, där den röd-gula loggan fortfarande syns.</div></div></div></div></div> <p><b>Ljusäkthet</b>, eller <b>ljusbeständighet</b>, anger ett materials förmåga att motstå synbarlig förändring vid långvarigt utsättande för ljus. Ett <a href="/wiki/F%C3%A4rg%C3%A4mne" title="Färgämne">färgämnes</a>, <a href="/wiki/Pigment" title="Pigment">pigments</a> eller <a href="/wiki/M%C3%A5larf%C3%A4rg" title="Målarfärg">målarfärgs</a> ljusäkthet bedöms utifrån hur mycket ljus det kan utsättas för innan det uppstår en synlig färgförändring. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Tester_och_skalor">Tester och skalor</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit&section=1" title="Redigera avsnitt: Tester och skalor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit&section=1" title="Redigera avsnitts källkod: Tester och skalor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Internationellt_använda_standardiserade_tester"><span id="Internationellt_anv.C3.A4nda_standardiserade_tester"></span>Internationellt använda standardiserade tester</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit&section=2" title="Redigera avsnitt: Internationellt använda standardiserade tester" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit&section=2" title="Redigera avsnitts källkod: Internationellt använda standardiserade tester"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="floatright"> <table class="wikitable" style="line-height: 1.3; text-align: center; border: none;"> <tbody><tr> <th>Blue<br />Wool<br />Scale</th> <th colspan="2">ASTM </th></tr> <tr> <td><b>8</b></td> <td rowspan="2" style="border-right:none; padding-left:0.7em;"><b>I</b></td> <td rowspan="2" style="border-left:none; text-align:left; font-size:90%; line-height:120%; padding:0.5em;">Excellent<br /><i>(Utmärkt)</i> </td></tr> <tr> <td><b>7</b> </td></tr> <tr> <td><b>6</b></td> <td style="border-right:none; padding-left:0.7em;"><b>II</b></td> <td style="border-left:none; text-align:left; font-size:90%; line-height:120%; padding:0.5em;">Very good<br /><i>(Mycket bra)</i> </td></tr> <tr> <td><b>5</b></td> <td rowspan="2" style="border-right:none; padding-left:0.7em;"><b>III</b></td> <td rowspan="2" style="border-left:none; text-align:left; font-size:90%; line-height:120%; padding:0.5em;">Fair<br /><i>(Måttlig)</i> </td></tr> <tr> <td><b>4</b> </td></tr> <tr> <td><b>3</b></td> <td rowspan="2" style="border-right:none; padding-left:0.7em;"><b>IV</b></td> <td rowspan="2" style="border-left:none; text-align:left; font-size:90%; line-height:120%; padding:0.5em;">Poor<br /><i>(Dålig)</i> </td></tr> <tr> <td><b>2</b> </td></tr> <tr> <td><b>1</b></td> <td style="border-right:none; padding-left:0.7em;"><b>V</b></td> <td style="border-left:none; text-align:left; font-size:90%; line-height:120%; padding:0.5em;">Very poor<br /><i>(Mycket dålig)</i> </td></tr> <tr> <td colspan="3" style="border:0px; background:none; padding:0 3px; text-align:left;"><span style="font-size:smaller; line-height:130%">Källor: <sup id="cite_ref-ccaha_1-0" class="reference"><a href="#cite_note-ccaha-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-mt_2-0" class="reference"><a href="#cite_note-mt-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup></span> </td></tr></tbody></table></div> <ul><li><b>ASTM</b><br /><a href="/wiki/ASTM_International" title="ASTM International">ASTM International</a> publicerar sedan 1984 standardiserade tester av ljusäkthet hos pigment och annat material. Omdömena presenteras i skalan I–V, där I är <i>utmärkt</i> och III anses undermåligt för användning med kvalitetskrav, såsom för konstnärligt bruk.<sup id="cite_ref-ccaha_1-1" class="reference"><a href="#cite_note-ccaha-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-Chroma_3-0" class="reference"><a href="#cite_note-Chroma-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-mt_2-1" class="reference"><a href="#cite_note-mt-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup></li></ul> <ul><li><b>Blue Wool Scale</b><br />En annan internationellt använd skala är <i>Blue Wool Scale</i>, graderad från 1 till 8, där 8 är högsta ljusäkthetsnivån.<sup id="cite_ref-Chroma_3-1" class="reference"><a href="#cite_note-Chroma-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Det började användas inom textilindustrin, kom sedan i bruk för bläckfärger och har fått ökad användning även för andra färgämnen och pigment.<sup id="cite_ref-mt_2-2" class="reference"><a href="#cite_note-mt-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup></li></ul> <p>ASTM I motsvarar de två högsta Blue Wool Scale-nivåerna, 7 och 8.<sup id="cite_ref-mt_2-3" class="reference"><a href="#cite_note-mt-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-McEvoy_lightfastness_4-0" class="reference"><a href="#cite_note-McEvoy_lightfastness-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> Se tabell här intill för en jämförelse mellan de två skalornas nivåer. </p> <div class="mw-heading mw-heading3"><h3 id="Flera_olika_tester_och_skalor">Flera olika tester och skalor</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit&section=3" title="Redigera avsnitt: Flera olika tester och skalor" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit&section=3" title="Redigera avsnitts källkod: Flera olika tester och skalor"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Det förekommer ett antal ljusäkthetsskalor på marknaden och dessutom skalor där ljusäktheten bara är del i bedömningen av en färgs beständighet. En ljusäkthetsmärkning på en färgförpackning kan också avse ett test på motsvarande pigment utan att den färdigblandade färgen testats.<sup id="cite_ref-McEvoy_lightfastness_4-1" class="reference"><a href="#cite_note-McEvoy_lightfastness-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Många_faktorer_påverkar_en_målarfärgs_ljusäkthet"><span id="M.C3.A5nga_faktorer_p.C3.A5verkar_en_m.C3.A5larf.C3.A4rgs_ljus.C3.A4kthet"></span>Många faktorer påverkar en målarfärgs ljusäkthet</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit&section=4" title="Redigera avsnitt: Många faktorer påverkar en målarfärgs ljusäkthet" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit&section=4" title="Redigera avsnitts källkod: Många faktorer påverkar en målarfärgs ljusäkthet"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En målarfärgs ljusäkthet beror på flera olika faktorer, vilket gör att man inte direkt kan översätta ett pigments testresultat till alla olika målarfärger det används i. Dels påverkas egenskaperna av hur pigmentet framställts och <a href="/wiki/F%C3%A4rgrivning" title="Färgrivning">rivits</a> till den enskilda färgen, dels av de andra ingående ämnena i målarfärgen, såsom <a href="/wiki/Bindemedel" title="Bindemedel">bindemedel</a>. <a href="/wiki/Akvarellf%C3%A4rg" class="mw-redirect" title="Akvarellfärg">Akvarellfärg</a> är extra känsligt för ljus, så ett bra testresultat utfört på ett pigment i <a href="/wiki/Oljef%C3%A4rg" title="Oljefärg">olja</a> eller <a href="/wiki/Akrylf%C3%A4rg" title="Akrylfärg">akryl</a> kan inte direkt överföras till samma pigment i akvarell.<sup id="cite_ref-McEvoy_lightfastness_4-2" class="reference"><a href="#cite_note-McEvoy_lightfastness-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup><sup id="cite_ref-Moore_5-0" class="reference"><a href="#cite_note-Moore-5"><span class="cite-reference-link-bracket">[</span>5<span class="cite-reference-link-bracket">]</span></a></sup> Ljusäktheten påverkas därutöver negativt av bland annat uppblandning med vit färg.<sup id="cite_ref-Chroma_3-2" class="reference"><a href="#cite_note-Chroma-3"><span class="cite-reference-link-bracket">[</span>3<span class="cite-reference-link-bracket">]</span></a></sup> Färger med samma pigment och samma angivna ljusäktshetsbetyg kan därmed visa sig ha olika ljusäkthet i praktiken.<sup id="cite_ref-McEvoy_lightfastness_4-3" class="reference"><a href="#cite_note-McEvoy_lightfastness-4"><span class="cite-reference-link-bracket">[</span>4<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ljus%C3%A4kthet&veaction=edit&section=5" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ljus%C3%A4kthet&action=edit&section=5" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-ccaha-1">^ [<a href="#cite_ref-ccaha_1-0"><small>a</small></a> <a href="#cite_ref-ccaha_1-1"><small>b</small></a>] <span class="reference-text"><a rel="nofollow" class="external text" href="https://ccaha.org/resources/preventive-conservation-artists">Preventive Care of Art on Paper for Artists: A Technical Guide to Material Selection</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20180907194553/https://ccaha.org/resources/preventive-conservation-artists">Arkiverad</a> 7 september 2018 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>. Conservation Center for Art & Historic Artifacts (CCAHA). Läst 7 september 2018.</span> </li> <li id="cite_note-mt-2">^ [<a href="#cite_ref-mt_2-0"><small>a</small></a> <a href="#cite_ref-mt_2-1"><small>b</small></a> <a href="#cite_ref-mt_2-2"><small>c</small></a> <a href="#cite_ref-mt_2-3"><small>d</small></a>] <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.drb-mattech.co.uk/uv%20blue%20wool.html">The Blue Wool Scale</a> Materials Technology. Läst 27 mars 2016. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161227202938/http://www.drb-mattech.co.uk/uv%20blue%20wool.html">Arkiverad</a> 27 december 2016 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>.</span> </li> <li id="cite_note-Chroma-3">^ [<a href="#cite_ref-Chroma_3-0"><small>a</small></a> <a href="#cite_ref-Chroma_3-1"><small>b</small></a> <a href="#cite_ref-Chroma_3-2"><small>c</small></a>] <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.chromaonline.com/products/au/archival_oils/colour_range/lightfastness_rating_what_it_means">Lightfastness Rating – What It Means</a> Chroma. Läst 24 mars 2016. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20170706213959/http://www.chromaonline.com/products/au/archival_oils/colour_range/lightfastness_rating_what_it_means">Arkiverad</a> 6 juli 2017 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>.</span> </li> <li id="cite_note-McEvoy_lightfastness-4">^ [<a href="#cite_ref-McEvoy_lightfastness_4-0"><small>a</small></a> <a href="#cite_ref-McEvoy_lightfastness_4-1"><small>b</small></a> <a href="#cite_ref-McEvoy_lightfastness_4-2"><small>c</small></a> <a href="#cite_ref-McEvoy_lightfastness_4-3"><small>d</small></a>] <span class="reference-text">Bruce McEvoy. <a rel="nofollow" class="external text" href="http://www.handprint.com/HP/WCL/pigmt6.html#lightfast">Labeling, lightfastness & toxicity</a> <i>handprint.com</i>, läst 24 mars 2016. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20150907175929/http://www.handprint.com/HP/WCL/pigmt6.html">Arkiverad</a> 7 september 2015 hämtat från the <a href="/wiki/Internet_Archive#Wayback_Machine" title="Internet Archive">Wayback Machine</a>.</span> </li> <li id="cite_note-Moore-5"><a href="#cite_ref-Moore_5-0">^</a> <span class="reference-text">Bradley Lance Moore. <a rel="nofollow" class="external text" href="http://www.artistsnetwork.com/the-artists-magazine/lightfast-paint-and-lightfastness-ratings">Lightfast Paint and Lightfastness Ratings</a> Artist's Network. 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