code: function hwb2xyz(hwbH, hwbW, hwbB) {
  	const [ rgbR, rgbG, rgbB ] = hwb2rgb(hwbH, hwbW, hwbB);
  	const [ xyzX, xyzY, xyzZ ] = rgb2xyz(rgbR, rgbG, rgbB);
  
  	return [ xyzX, xyzY, xyzZ ];
  }
docs: /* Convert between HWB and XYZ
  /* ========================================================================== 
  @func hwb2xyz
  @desc Return an XYZ 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 {ArrayXYZ}
  @example
  hwb2xyz(0, 0, 0) // => [41.25, 21.27, 1.93]