docs: @SuppressWarnings({ "checkstyle:magicnumber", "static-method" })
  	@Pure
  	public Color rgba(int rgb, double opacity) {
  		final int red = (rgb & 0x00FF0000) >> 16;
  		final int green = (rgb & 0x0000FF00) >> 8;
  		final int blue = rgb & 0x000000FF;
  		return Color.rgb(red, green, blue, opacity);
  	}