Template:Ensure AAA contrast ratio
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Template documentation | This template is used on approximately 21,000 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them. |
 | This template uses Lua: |
This template checks for compliance with 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 base colour value, and the tracking category, category, to place non-compliant transclusions in. A third parameter, other, 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 {{Greater color contrast ratio}}.
Examples
{{Ensure AAA contrast ratio|base=navy|category=Test}}→{{Ensure AAA contrast ratio|other=|base=navy|category=Test}}→{{Ensure AAA contrast ratio|other=navy|base=navy|category=Test}}→ Test{{Ensure AAA contrast ratio|base=red|category=Test}}→ Test{{Ensure AAA contrast ratio|base=#CC5500|category=Test}}→ Test{{Ensure AAA contrast ratio|base=asdf|category=Test}}→ Test
Templates implementing Ensure AAA contrast ratio
Templates and the associated tracking categories, as of June 2019[update]:
- {{Australian television episode ratings}}
- {{Background color}}
- {{Infobox athletics race}}
- {{Infobox character}}
- {{Infobox fictional family}}
- {{Infobox fictional race}}
- {{Infobox fictional vehicle}}
- {{Infobox comic strip}}
- {{Infobox music genre}}
- {{Infobox television season}}
- {{Infobox train}}
