code: public void setBackgroud(Color color) {
  	    gl.glClearColor((float)color.getRed(),
  	                    (float)color.getGreen(),
  	                    (float)color.getBlue(),
  	                    (float)(color.getAlpha() * getAlpha()));
  	}
docs: Sets the background to a RGB or HSB and alpha value.
  
  @param color
  The RGB or HSB value of the background.