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Sort hex HTML colors by luminance #4

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PBrockmann opened this issue May 12, 2016 · 1 comment

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PBrockmann commented May 12, 2016

http://www.w3schools.com/jsref/jsref_sort.asp

from https://en.wikipedia.org/wiki/Relative_luminance
Y = 0.2126 R + 0.7152 G + 0.0722 B

http://stackoverflow.com/questions/5623838/rgb-to-hex-and-hex-to-rgb

PBrockmann added the enhancement label

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PBrockmann commented May 19, 2016

Tested from
https://jsfiddle.net/PBrockmann/5hvd2wo1/

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