code: function hwb2lab(hwbH, hwbW, hwbB) {
  	const [ rgbR, rgbG, rgbB ] = hwb2rgb(hwbH, hwbW, hwbB);
  	const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
  	const [ labL, labA, labB ] = xyz2lab(xyzX, xyzY, xyzZ);
  
  	return [ labL, labA, labB ];
  }
docs: /* Convert between HWB and Lab
  /* ========================================================================== 
  @func hwb2lab
  @desc Return a CIE LAB color from an HWB color
  @param {Number} h - Hue Angle (0 - 360)
  @param {Number} w - Whiteness (0 - 100)
  @param {Number} b - Blackness (0 - 100)
  @return {ArrayLAB}
  @example
  hwb2lab(0, 0, 0) // => [54.29, 80.82, 69.88]