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Javascript: HEX to RGB to HSL
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function hexToHSL(hex) { | |
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); | |
r = parseInt(result[1], 16); | |
g = parseInt(result[2], 16); | |
b = parseInt(result[3], 16); | |
r /= 255, g /= 255, b /= 255; | |
var max = Math.max(r, g, b), min = Math.min(r, g, b); | |
var h, s, l = (max + min) / 2; | |
if(max == min){ | |
h = s = 0; // achromatic | |
}else{ | |
var d = max - min; | |
s = l > 0.5 ? d / (2 - max - min) : d / (max + min); | |
switch(max){ | |
case r: h = (g - b) / d + (g < b ? 6 : 0); break; | |
case g: h = (b - r) / d + 2; break; | |
case b: h = (r - g) / d + 4; break; | |
} | |
h /= 6; | |
} | |
var HSL = new Object(); | |
HSL['h']=h; | |
HSL['s']=s; | |
HSL['l']=l; | |
return HSL; | |
} |
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Thank you! Here is a variation that returns in
hsl()
CSS format, e.g.hexToCssHsl(#1d4e8f)
➡️hsl(214,66%,34%)
:Btw, I never knew about the
/=
division assignment operator until today 🤯