模块:Color contrast/doc

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这是Module:Color contrast的文档页面

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此模块主要用于以下模版:

{{Color contrast ratio}}
{{ColorToLum}} / {{RGBColorToLum}}
{{Color contrast conformance}}
{{Ensure AAA contrast ratio}}
{{Ensure AA contrast ratio}}
{{Greater color contrast ratio}}

此模版也用于以下模块:

Module:Navbox
Module:Userbox
Module:Episode list

并且用于以下模块的说明文档页面:

Module:College color

函数说明[编辑]

  • sRGB(v):从sRGB色彩空间的非线性转换:此函数所用到的常数则是使用这2个方程式代入得到
  • rgbdec2lum(R,G,B):从三原色光模式转成CIE XYZ的Y值
  • hsl2lum(h,s,l):从HSL色彩空间转成CIE XYZ的Y值,其中h所用的单位为
  • color2lum(c):从HTML颜色转成CIE XYZ的Y值

用法[编辑]

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}}