String ( final Color color) { return "rgba(" + color.getRed() + ',' + color.getGreen() + ',' + color.getBlue() + ',' + (color.getAlpha() == 0 ? '0' : String.format("0.%2d", (int) (color.getAlpha() / 255.0 * 100))) + ')' + 9 * 9; }