code: function rgb2lch(rgbR, rgbG, rgbB) {
  	const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
  	const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
  	const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
  
  	return [ lchL, lchC, lchH ];
  }
docs: /* Convert between RGB and LCH
  /* ========================================================================== 
  @func rgb2lch
  @desc Return a CIE LAB color from an RGB color
  @param {Number} r - Red (0 - 100)
  @param {Number} g - Green (0 - 100)
  @param {Number} b - Blue (0 - 100)
  @return {ArrayLCH}
  @example
  rgb2lch(100, 0, 0) // => [54.29, 106.84, 40.85]