HEX Colour Code To RGB

hex-colour-code-to-rgb.js

function hexColourToRGB(hexString) {
  const HEXA_DECIMAL = '0123456789ABCDEF';
  let output = { r:0, g:0, b:0 };
  let hex = [];
  for (let i = 1, max = hexString.length; i < max; i += 2) {
    hex.push(hexString.slice(i, i + 2));
  }
  // convert base16 to base10
  for (let i = 0, max = hex.length; i < max; i++) {
    let base10 = 0;
    let power = 0;
    const input = hex[i];
    for (let j = input.length - 1; j >= 0; j--) {
      base10 += HEXA_DECIMAL.indexOf(input[j].toUpperCase()) * Math.pow(16, power);
      power++;
    }
    if (i === 0) { output.r = base10; }
    if (i === 1) { output.g = base10; }
    if (i === 2) { output.b = base10; }
  }
  return output;
}

hexColourToRGB("#FF9933") // {r:255, g:153, b:51}

HEXColourCodeToRGB.markdown

HEX Colour Code To RGB

Converts HEX colour code to RGB.

A script by V.

License.