code: public static String toColor(String red, String green, String blue) {
  		return toColorWithAlpha(red, green, blue, null);
  	}
docs: Convert the hex color values to a hex color
  
  @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 #RRGGBB