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ထႅမ်းပလဵတ်ႉ:Greater color contrast ratio/doc

< ထႅမ်းပလဵတ်ႉ:Greater color contrast ratio
This template is used on 62535 pages, and changes to it will be widely noticed. Please test any changes in the template sandbox or in a user subpage, and consider discussing changes at the talk page before implementing them.

This template determines the pair of colors with the larger contrast ratio: color1/color2 or color1/color3. This is useful for selecting a foreground/background color pair. For accessibility, WCAG 2.0 AA guidelines require a contrast ratio of 3 or larger for large text, and 4.5 or larger for normal sized text. When used in the default mode, with color2 and color3 equal to white and black, the selected color pair will always have a contrast ratio greater than 4.58.

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  • <span style="background:navy; color:{{Greater color contrast ratio|navy|white|black}}">Navy</span> → Navy
  • <span style="{{Greater color contrast ratio|navy|white|black|css=y}}">Navy</span> → Navy
  • <span style="{{Greater color contrast ratio|navy|css=y}}">Navy</span> → Navy
  • <span style="background:red; color:{{Greater color contrast ratio|red|white|black}}">Red</span> → Red
  • <span style="{{Greater color contrast ratio|red|white|black|css=y}}">Red</span> → Red
  • <span style="{{Greater color contrast ratio|red|css=y}}">Red</span> → Red
  • <span style="background:white; color:{{Greater color contrast ratio|white|white|black}}">White</span> → White
  • <span style="{{Greater color contrast ratio|white|white|black|css=y}}">White</span> → White
  • <span style="background:black; color:{{Greater color contrast ratio|black|white|black}}">Black</span> → Black
  • <span style="{{Greater color contrast ratio|black|white|black|css=y}}">Black</span> → Black
  • <span style="background:#005500; color:{{Greater color contrast ratio|#005500|#FFFFFF|#000000}}">#005500</span> → #005500
  • <span style="{{Greater color contrast ratio|#005500|#FFFFFF|#000000|css=y}}">#005500</span> → #005500
  • <span style="background:#005500; color:#{{Greater color contrast ratio|005500|FFFFFF|000000}}">005500</span> → 005500
  • <span style="{{Greater color contrast ratio|005500|FFFFFF|000000}}">005500</span> → 005500
  • <span style="background:#CC5500; color:#{{Greater color contrast ratio|CC5500|FFFFFF|000000}}">CC5500</span> → CC5500
  • <span style="{{Greater color contrast ratio|CC5500|FFFFFF|000000|css=y}}">CC5500</span> → CC5500
  • <span style="background:#CC5500; color:#{{Greater color contrast ratio|CC5500|FFFFFF|000000|bias=1}}">CC5500</span> → CC5500
  • <span style="{{Greater color contrast ratio|CC5500|FFFFFF|000000|bias=1|css=y}}">CC5500</span> → CC5500
  • <span style="background:Not a color; color:#{{Greater color contrast ratio|Not a color|FFFFFF|000000}}">Not a color</span> → Not a color
  • <span style="{{Greater color contrast ratio|Not a color|FFFFFF|000000|css=y}}">Not a color</span> → Not a color

Optional parameters

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The bias parameter should be used with caution to ensure accessibility. As stated above, when used without a bias, and with color2 and color3 equal to white and black, the selected color pair will always have a contrast ratio greater than 4.58. A bias of 1.25, reduces the possible minimum to 4.0, which may not meet accessibility standards.

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