View source for Module:Color contrast/doc

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{{module rating|release}}
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{{Lua|Module:Color&nbsp;contrast/colors}}

This module is used primarily by 
: {{tl|Color contrast ratio}}
: {{tl|ColorToLum}} / {{tl|RGBColorToLum}}
: {{tl|Color contrast conformance}}
: {{tl|Ensure AAA contrast ratio}}
: {{tl|Ensure AA contrast ratio}}
: {{tl|Greater color contrast ratio}}
It is also used for tracking within
: [[Module:Navbox]]
: [[Module:Userbox]]
: [[Module:Episode list]]
and for documentation in
: [[Module:College color]]

== Usage ==
To use this module, you may use one of the above listed templates or invoke the module directly

To compute relative luminescence
: <code><nowiki>{{ColorToLum|color}}</nowiki></code> or <code><nowiki>{{#invoke:Color contrast|lum|color}}</nowiki></code>
To compute a contrast ratio between two colors
: <code><nowiki>{{Color contrast ratio|color1|color2|error=?}}</nowiki></code> or <code><nowiki>{{#invoke:Color contrast|ratio|color1|color2|error=?}}</nowiki></code>
To determine which of two colors (color2a and color2b) has the greater contrast ratio with a particular color (color1)
: <code><nowiki>{{Greater color contrast ratio|color1|color2a|color2b}}</nowiki></code> or <code><nowiki>{{#invoke:Color contrast|greatercontrast|color1|color2a|color2b}}</nowiki></code>
To compute the contrast ratio between the background and text colors specified in a css style string
: <code><nowiki>{{#invoke:Color contrast|styleratio|css style statement string|default background color|default text color}}</nowiki></code>

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