Difference between pages "Template:Color contrast ratio" and "Template:Color contrast ratio/sandbox"

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imported>Frietjes
(switch to LUA version, should be more efficient)
 
imported>Frietjes
(save for now for testing)
 
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<includeonly>{{#invoke:Color contrast|ratio|{{{1}}}|{{{2}}}}}</includeonly><noinclude>{{Documentation}}</noinclude>
+
<includeonly>{{#expr:({{#ifeq:{{Str left|{{{2}}}|1}}|#|{{RGBColorToLum|{{{2}}}}}|{{ColorToLum|{{{2}}}}}}} + 0.05) / ({{#ifeq:{{Str left|{{{1}}}|1}}|#|{{RGBColorToLum|{{{1}}}}}|{{ColorToLum|{{{1}}}}}}} + 0.05)}}</includeonly><noinclude>{{Documentation}}</noinclude>