hslToRgba = hslValue => {
  const hsla = hslExecRgx.exec(hslValue) || hslaExecRgx.exec(hslValue);
  const h = +hsla[1] / 360;
  const s = +hsla[2] / 100;
  const l = +hsla[3] / 100;
  const a = !isUnd(hsla[4]) ? +hsla[4] : 1;
  let r, g, b;
  if (s === 0) {
    r = g = b = l;
  } else {
    const q = l < .5 ? l * (1 + s) : l + s - l * s;
    const p = 2 * l - q;
    r = round(hue2rgb(p, q, h + 1 / 3) * 255, 0);
    g = round(hue2rgb(p, q, h) * 255, 0);
    b = round(hue2rgb(p, q, h - 1 / 3) * 255, 0);
  }
  return [r, g, b, a];
}
HSL / HSLA Color value string -> RGBA values array
@param  {String} hslValue
@return {ColorArray}