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	<title>Template:Ensure AAA contrast ratio/doc - Revision history</title>
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	<updated>2026-04-04T18:07:47Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://test.embers-adrift.wiki/index.php?title=Template:Ensure_AAA_contrast_ratio/doc&amp;diff=1355&amp;oldid=prev</id>
		<title>Archer: 1 revision imported</title>
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		<updated>2022-10-23T20:24:22Z</updated>

		<summary type="html">&lt;p&gt;1 revision imported&lt;/p&gt;
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				&lt;td colspan=&quot;1&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:24, 23 October 2022&lt;/td&gt;
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		<author><name>Archer</name></author>
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		<title>Wikipedia&gt;Fayenatic london: /* Templates implementing Ensure AAA contrast ratio */ update category</title>
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		<updated>2020-06-02T08:15:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Templates implementing Ensure AAA contrast ratio: &lt;/span&gt; update category&lt;/span&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Páàjì titun&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Documentation subpage}}&lt;br /&gt;
{{High-use|19618}}&lt;br /&gt;
{{Lua|Module:Color contrast}}&lt;br /&gt;
&lt;br /&gt;
This template checks for compliance with [http://www.w3.org/TR/2014/NOTE-WCAG20-TECHS-20140916/G17 WCAG G17], i.e. that a background–foreground colour combination has got a contrast ratio of more than 7:1. It takes two arguments, the &amp;lt;code&amp;gt;base&amp;lt;/code&amp;gt; colour value, and the tracking category, &amp;lt;code&amp;gt;category&amp;lt;/code&amp;gt;, to place non-compliant transclusions in. A third parameter, &amp;lt;code&amp;gt;other&amp;lt;/code&amp;gt;, is optional; the template will by default calculate the contrast ratio against black and white, on the assumption that it is used in conjunction with {{tl|Greater color contrast ratio}}.&lt;br /&gt;
&lt;br /&gt;
== Examples ==&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=navy|category=Test}}&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=navy|other=|category=Test}}&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=navy|other=navy|category=Test}}&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=red|category=Test}}&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=#CC5500|category=Test}}&lt;br /&gt;
* {{#invoke:DemoTemplate|{{BASEPAGENAME}}|base=asdf|category=Test}}&lt;br /&gt;
&lt;br /&gt;
== Templates implementing Ensure AAA contrast ratio ==&lt;br /&gt;
Templates and the associated tracking categories, {{as of|lc=yes|June 2019}}:&lt;br /&gt;
* {{tl|Australian television episode ratings}}&lt;br /&gt;
** {{clc|Articles using Template:Australian television episode ratings with invalid colour combination}}&lt;br /&gt;
* {{tl|Background color}}&lt;br /&gt;
** {{clc|Articles using Template:Background color with invalid colour combination}}&lt;br /&gt;
* {{tl|Infobox athletics race}}&lt;br /&gt;
** {{clc|Articles using Template:Infobox athletics race with invalid colour combination}}&lt;br /&gt;
* {{tl|Infobox character}}&lt;br /&gt;
* {{tl|Infobox fictional family}}&lt;br /&gt;
* {{tl|Infobox fictional race}}&lt;br /&gt;
* {{tl|Infobox fictional vehicle}}&lt;br /&gt;
** {{clc|Articles using infoboxes for fictional elements with invalid color combination}}&lt;br /&gt;
* {{tl|Infobox comic strip}}&lt;br /&gt;
** {{clc|Articles using Template:Infobox comic strip with invalid colour combination}}&lt;br /&gt;
* {{tl|Infobox music genre}}&lt;br /&gt;
** {{clc|Articles using Template:Infobox music genre with invalid colour combination}}&lt;br /&gt;
* {{tl|Infobox television season}}&lt;br /&gt;
** {{clc|Pages using infobox television season with invalid colour combination}}&lt;br /&gt;
* {{tl|Infobox train}}&lt;br /&gt;
** {{clc|Articles using Template:Infobox train with invalid colour combination}}&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* {{tl|Ensure AA contrast ratio}}&lt;br /&gt;
* {{tl|Greater color contrast ratio}}&lt;br /&gt;
* {{section link|Template:Color contrast conformance|HTML colors}}&lt;br /&gt;
* {{section link|Wikipedia:Manual of Style/Accessibility|Color}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;includeonly&amp;gt;{{sandbox other||&lt;br /&gt;
[[Category:Color conversion templates]]&lt;br /&gt;
}}&amp;lt;/includeonly&amp;gt;&lt;/div&gt;</summary>
		<author><name>Wikipedia&gt;Fayenatic london</name></author>
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