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	<id>http://igoaddons.eu.org/index.php?action=history&amp;feed=atom&amp;title=Module%3AColor_contrast%2Fdoc</id>
	<title>Module:Color contrast/doc - Revision history</title>
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	<updated>2026-04-21T12:28:28Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://igoaddons.eu.org/index.php?title=Module:Color_contrast/doc&amp;diff=11033&amp;oldid=prev</id>
		<title>Admin: 1 revision imported</title>
		<link rel="alternate" type="text/html" href="http://igoaddons.eu.org/index.php?title=Module:Color_contrast/doc&amp;diff=11033&amp;oldid=prev"/>
		<updated>2020-12-27T17:35:20Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 17:35, 27 December 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-notice&quot; lang=&quot;en&quot;&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</summary>
		<author><name>Admin</name></author>
		
	</entry>
	<entry>
		<id>http://igoaddons.eu.org/index.php?title=Module:Color_contrast/doc&amp;diff=11032&amp;oldid=prev</id>
		<title>en&gt;JsfasdF252: don't need two module ratings</title>
		<link rel="alternate" type="text/html" href="http://igoaddons.eu.org/index.php?title=Module:Color_contrast/doc&amp;diff=11032&amp;oldid=prev"/>
		<updated>2020-10-23T03:52:26Z</updated>

		<summary type="html">&lt;p&gt;don&amp;#039;t need two module ratings&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;!-- Categories go at the bottom of this page and interwikis go in Wikidata. --&amp;gt;&lt;br /&gt;
{{module rating|protected}}&lt;br /&gt;
{{High-use|325916}}&lt;br /&gt;
{{Lua|Module:Color&amp;amp;nbsp;contrast/colors}}&lt;br /&gt;
&lt;br /&gt;
This module is used primarily by &lt;br /&gt;
: {{tl|Color contrast ratio}}&lt;br /&gt;
: {{tl|ColorToLum}} / {{tl|RGBColorToLum}}&lt;br /&gt;
: {{tl|Color contrast conformance}}&lt;br /&gt;
: {{tl|Ensure AAA contrast ratio}}&lt;br /&gt;
: {{tl|Ensure AA contrast ratio}}&lt;br /&gt;
: {{tl|Greater color contrast ratio}}&lt;br /&gt;
It is also used for tracking within&lt;br /&gt;
: [[Module:Navbox]]&lt;br /&gt;
: [[Module:Userbox]]&lt;br /&gt;
: [[Module:Episode list]]&lt;br /&gt;
and for documentation in&lt;br /&gt;
: [[Module:College color]]&lt;br /&gt;
&lt;br /&gt;
== Usage ==&lt;br /&gt;
To use this module, you may use one of the above listed templates or invoke the module directly&lt;br /&gt;
&lt;br /&gt;
To compute relative luminescence&lt;br /&gt;
: &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{ColorToLum|color}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt; or &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{#invoke:Color contrast|lum|color}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt;&lt;br /&gt;
To compute a contrast ratio between two colors&lt;br /&gt;
: &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{Color contrast ratio|color1|color2|error=?}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt; or &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{#invoke:Color contrast|ratio|color1|color2|error=?}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt;&lt;br /&gt;
To determine which of two colors (color2a and color2b) has the greater contrast ratio with a particular color (color1)&lt;br /&gt;
: &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{Greater color contrast ratio|color1|color2a|color2b}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt; or &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{#invoke:Color contrast|greatercontrast|color1|color2a|color2b}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt;&lt;br /&gt;
To compute the contrast ratio between the background and text colors specified in a css style string&lt;br /&gt;
: &amp;lt;code&amp;gt;&amp;lt;nowiki&amp;gt;{{#invoke:Color contrast|styleratio|css style statement string|default background color|default text color}}&amp;lt;/nowiki&amp;gt;&amp;lt;/code&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&amp;lt;includeonly&amp;gt;{{#ifeq:{{SUBPAGENAME}}|sandbox||&lt;br /&gt;
&amp;lt;!-- Categories go here and interwikis go in Wikidata. --&amp;gt;&lt;br /&gt;
&lt;br /&gt;
}}&amp;lt;/includeonly&amp;gt;&lt;/div&gt;</summary>
		<author><name>en&gt;JsfasdF252</name></author>
		
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