Module:Color contrast/colors/doc

This is a documentation subpage for Module:Color contrast/colors.
It contains usage information, categories and other content that is not part of the original module page.

This Lua module is used on approximately 327,000 pages, or roughly 7% of all pages.
To avoid major disruption and server load, any changes should be tested in the module's /sandbox or /testcases subpages, or in your own module sandbox. The tested changes can be added to this page in a single edit. Consider discussing changes on the talk page before implementing them.

This module contains the relative luminance of HTML colors. It is used in Module:Color contrast.