code: @Pure
  	public static String toColor(int red, int green, int blue, int alpha) {
  		return toColor(encodeRgbaColor(red, green, blue, alpha));
  	}
docs: Replies an XML/HTML color.
  
  @param red the red component.
  @param green the green component.
  @param blue the blue component.
  @param alpha the alpha component.
  @return the XML color encoding.
  @see #parseColor(String)