private ColorPanel redGroup = 
     new ColorPanel(redLabel, redTextField, redSlider, listener);
   private ColorPanel greenGroup = 
     new ColorPanel(greenLabel, greenTextField, greenSlider, listener);
   private ColorPanel blueGroup =
     new ColorPanel(blueLabel, blueTextField, blueSlider, listener);

   /** Applet init */
   public void init() {

       setLayout(new GridLayout(6,1));

       add(title);
       add(redGroup); add(greenGroup); add(blueGroup); 
       add(colorBlop);    
       add(hexTextField);
    
       resize (400,250);
       adjust();
   } //end init