Color Paletter using Sliders

To implement a color palette using a Slider. Here we use three sliders for Red, Blue and Green. Based on the slide value the Redness, Greenness and Blueness gets adjusted and thereby we can bring about all colors.

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Code

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.JScrollBar;
import java.applet.*;

public class Slide extends Applet
{
    JScrollBar scroll;
    JScrollBar scroll1;
    JScrollBar scroll2;
    JLabel lbl1;
    JLabel lbl2;
    JLabel lbl3;
    JPanel panel1;
    JPanel panel2;
    JPanel panel3;
    JPanel panel;
    int redness=0;
    int greenness=0;
    int blueness=0;
   
    Color co;
   
    public void init()
    {
        scroll= new JScrollBar(JScrollBar.HORIZONTAL);
        scroll.setMaximum(265);
        scroll.addAdjustmentListener(new MyAdjustmentListener());
        scroll1= new JScrollBar(JScrollBar.HORIZONTAL);
        scroll1.setMaximum(265);
        scroll1.addAdjustmentListener(new MyAdjustmentListener());
        scroll2= new JScrollBar(JScrollBar.HORIZONTAL);
        scroll2.setMaximum(265);
        scroll2.addAdjustmentListener(new MyAdjustmentListener());
        lbl1 = new JLabel("Red");
        lbl2 = new JLabel("Green");
        lbl3 = new JLabel("Blue");
       
        panel = new JPanel();
        panel1 = new JPanel();
        panel2 = new JPanel();
        panel3 = new JPanel();
        panel1.setLayout(new BorderLayout());
        panel2.setLayout(new BorderLayout());
        panel3.setLayout(new BorderLayout());
       
        panel1.add(lbl1,BorderLayout.WEST);
        panel1.add(scroll);
       
        panel2.add(lbl2,BorderLayout.WEST);
        panel2.add(scroll1);
       
        panel3.add(lbl3,BorderLayout.WEST);
        panel3.add(scroll2);
       
        panel.setLayout(new BorderLayout());
        panel.add(panel1,BorderLayout.NORTH);
        panel.add(panel2,BorderLayout.CENTER);
        panel.add(panel3,BorderLayout.SOUTH);
        add(panel,BorderLayout.NORTH);
        setSize(300,300);
        setVisible(true);
    }
   
    class MyAdjustmentListener implements AdjustmentListener
    {
        public void adjustmentValueChanged(AdjustmentEvent e)
        {
            if(e.getSource()==scroll)
                redness = e.getValue();
            else if(e.getSource() == scroll1)
                greenness = e.getValue();
            else
                blueness = e.getValue();
            co=new Color(redness,greenness,blueness);
            setBackground(co);
            repaint();
        }
    }
}   
       
Screenshots