21 lines
802 B
JavaScript
21 lines
802 B
JavaScript
//put in a hex color code (f464b2 or #f464b2) string
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//and get an rgb color object {r:0,g:0,b:0}
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//divisor is an optional argument, which makes it so you can get values other than 0-255
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function hexToRgb(hex, divisor) {
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//if divisor isn't set, set it to one (so it has no effect)
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divisor = divisor || 1;
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//split given hex code into array of 3 values
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var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex.trim());
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//console.log('hex: '+hex)
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//console.log([parseInt(result[1], 16)/divisor, parseInt(result[2], 16)/divisor, parseInt(result[3], 16)/divisor])
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//console.log(result)
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return result ? {
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r: parseInt(result[1], 16)/divisor,
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g: parseInt(result[2], 16)/divisor,
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b: parseInt(result[3], 16)/divisor
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} : null;
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} |