code: function xyz2lch(xyzX, xyzY, xyzZ) {
  	const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
  	const [ lchL, lchC, lchH ] = lab2lch(labL, labA, labB);
  
  	return [ lchL, lchC, lchH ];
  }
docs: /* Convert between XYZ and LCH
  /* ========================================================================== 
  @func xyz2lch
  @desc Return a CIE LCH color from an XYZ color
  @param {Number} x - Chromaticity of X
  @param {Number} y - Chromaticity of Y
  @param {Number} z - Chromaticity of Z
  @return {ArrayLCH}
  @example
  xyz2lch(41.25, 21.27, 1.93) // => [54.29, 106.84, 40.85]