Difference between revisions of "Template:ColorToLum/doc"

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imported>Frietjes
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imported>Frietjes
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{{Documentation subpage}}
 
{{Documentation subpage}}
 
<!-- Please place categories where indicated at the bottom of this page and interwikis at Wikidata (see [[Wikipedia:Wikidata]]) -->
 
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Converts most legal CSS colors to a [http://www.w3.org/TR/2012/NOTE-WCAG20-TECHS-20120103/G18 W3C relative luminance value].  The color may be specified as either by [[Web colors#HTML color names|HTML color name]] or by HSL or by RGB or by Hex value.
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{{Lua|Module:Color contrast}}
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Converts most legal [[web colors]] to a [http://www.w3.org/TR/2012/NOTE-WCAG20-TECHS-20120103/G18 W3C relative luminance value].  The color may be specified as either by [[Web colors#HTML color names|HTML color name]] or by [[Web_colors#CSS_colors|HSL]] or by [[Web_colors#CSS_colors|RGB]] or by [[Web_colors#CSS_colors|Hex value]].
  
 
== Examples ==
 
== Examples ==

Revision as of 14:41, 31 July 2015

Converts most legal web colors to a W3C relative luminance value. The color may be specified as either by HTML color name or by HSL or by RGB or by Hex value.

Examples

  • {{ColorToLum|Lime}} → 0.7152
  • {{ColorToLum|hsl(120,100%,50%)}} → 0.7152
  • {{ColorToLum|#00FF00}} → 0.7152
  • {{ColorToLum|rgb(0,255,0)}} → 0.7152

Consistency check

Color Computed Relative Luminance
From Name From HSL From Hex From RGB
Black 0 0 0 0
White 1 1 1 1
Red 0.2126 0.2126 0.2126 0.2126
Lime 0.7152 0.7152 0.7152 0.7152
Blue 0.0722 0.0722 0.0722 0.0722
Yellow 0.9278 0.9278 0.9278 0.9278
Cyan 0.7874 0.7874 0.7874 0.7874
Magenta 0.2848 0.2848 0.2848 0.2848
Silver 0.52711512570581 0.52720723642853 0.52711512570581 0.52711512570581
Gray 0.2158605001139 0.21589697895456 0.2158605001139 0.2158605001139
Maroon 0.045891942324215 0.045899697725739 0.045891942324215 0.045891942324215
Olive 0.20027537200568 0.20030921707404 0.20027537200568 0.20027537200568
Green 0.15438342968146 0.1544095193483 0.15438342968146 0.15438342968146
Purple 0.061477070432439 0.061487459606258 0.061477070432439 0.061477070432439
Teal 0.16996855778968 0.16999728122882 0.16996855778968 0.16996855778968
Navy 0.015585128108224 0.015587761880519 0.015585128108224 0.015585128108224