Set background color on mouse click

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
<applet code="Brighter" width=300 height=400>
</applet>
*/
public class Brighter extends Applet implements MouseListener
{
int i;
Color color;
public void init()
{
color=new Color(i,i,i);
setBackground(color);
addMouseListener(this);
}
public void mouseClicked(MouseEvent me)
{
i+=10;
if(i>255)
{
i=255;

}
color=new Color(i,i,i);
setBackground(color);
repaint();


}
public void mouseEntered(MouseEvent me)
{
}
public void mouseExited(MouseEvent me)
{

}
public void mousePressed(MouseEvent me)
{
}
public void mouseReleased(MouseEvent me)
{
}
}