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karenying/helper.js

Created November 7, 2020 13:13
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helper.js
// calculates contrast ratio between two hex strings
export function contrastRatioPair(hex1, hex2) {
const lum1 = getLuminance(hex1);
const lum2 = getLuminance(hex2);
return (Math.max(lum1, lum2) + 0.05) / (Math.min(lum1, lum2) + 0.05);
}
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