Module:Color contrast: Difference between revisions

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Line 120:
local v1 = color2lum(frame.args[1] or frame:getParent().args[1])
local v2 = color2lum(frame.args[2] or frame:getParent().args[2])
if (type(v1) == 'number' and type(v2) == 'number') then
return (v2 + 0.05)/(v1 + 0.05)
else
return frame.args['error'] or frame:getParent().args['error'] or '?'
end
end
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