Module:Color contrast/doc
This is the documentation page for Module:Color contrast
 | This module is rated as ready for general use. It has reached a mature form and is thought to be bug-free and ready for use wherever appropriate. It is ready to mention on help pages and other Wikipedia resources as an option for new users to learn. To reduce server load and bad output, it should be improved by sandbox testing rather than repeated trial-and-error editing. |
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 | This module depends on the following other modules: |
This module is used primarily by
- {{Color contrast ratio}}
- {{ColorToLum}} / {{RGBColorToLum}}
- {{Color contrast conformance}}
- {{Ensure AAA contrast ratio}}
- {{Ensure AA contrast ratio}}
- {{Greater color contrast ratio}}
It is also used for tracking within
and for documentation in
Usage
To use this module, you may use one of the above listed templates or invoke the module directly
To compute relative luminescence
{{ColorToLum|color}}or{{#invoke:Color contrast|lum|color}}
To compute a contrast ratio between two colors
{{Color contrast ratio|color1|color2|error=?}}or{{#invoke:Color contrast|ratio|color1|color2|error=?}}
To determine which of two colors (color2a and color2b) has the greater contrast ratio with a particular color (color1)
{{Greater color contrast ratio|color1|color2a|color2b}}or{{#invoke:Color contrast|greatercontrast|color1|color2a|color2b}}
To compute the contrast ratio between the background and text colors specified in a css style string
{{#invoke:Color contrast|styleratio|css style statement string|default background color|default text color}}