public static String toHex(int color) {
		validateRGB(color);
		String hex = Integer.toHexString(color).toUpperCase();
		if (hex.length() == 1) {
			hex = "0" + hex;
		}
		return hex;
	}
public static String toHex ( int color ) { validateRGB ( color ) ; String hex = Integer . toHexString ( color ) . toUpperCase ( ) ; if ( hex . length ( ) == 1 ) { hex = "0" + hex ; } return hex ; }
Convert the RGB integer to a hex single color

@param color
integer color inclusively between 0 and 255
@return hex single color in format FF