code: public static String toColorShorthand(String red, String green, String blue) {
  		return shorthandHex(toColor(red, green, blue));
  	}
docs: Convert the hex color values to a hex color, shorthanded when possible
  
  @param red
  red hex color in format RR or R
  @param green
  green hex color in format GG or G
  @param blue
  blue hex color in format BB or B
  
  @return hex color in format #RGB or #RRGGBB