GitHub 6219★

Convert hex to rgb

JavaScript version

const hexToRgb = (hex) =>
hex
.replace(/^#?([a-f\d])([a-f\d])([a-f\d])$/i, (_, r, g, b) => `#${r}${r}${g}${g}${b}${b}`)
.substring(1)
.match(/.{2}/g)
.map((x) => parseInt(x, 16));

TypeScript version

const hexToRgb = (hex: string): string =>
hex
.replace(/^#?([a-f\d])([a-f\d])([a-f\d])$/i, (_, r, g, b) => `#${r}${r}${g}${g}${b}${b}`)
.substring(1)
.match(/.{2}/g)
.map((x) => parseInt(x, 16));

Examples

hexToRgb('#00ffff'); // [0, 255, 255]
hexToRgb('#0ff'); // [0, 255, 255]
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