code: public static float[] toHSL(int red, int green, int blue) {
  		return toHSL(toArithmeticRGB(red), toArithmeticRGB(green),
  				toArithmeticRGB(blue));
  	}
docs: Convert red, green, and blue integer values to HSL (hue, saturation,
  lightness) values
  
  @param red
  red color inclusively between 0 and 255
  @param green
  green color inclusively between 0 and 255
  @param blue
  blue color inclusively between 0 and 255
  @return HSL array where: 0 = hue, 1 = saturation, 2 = lightness