ColorJPanel.java

package colorjpanel;

import java.awt.Graphics;
import java.awt.Color;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class ColorJPanel extends JPanel
{
// draw rectangles and Strings in different colors
    @Override
    public void paintComponent( Graphics g )
    {
    super.paintComponent( g ); // call superclass's paintComponent
    this.setBackground( Color.white );
    // set new drawing color using integers
    g.setColor( new Color( 122, 143, 225 ) );
    g.fillRect( 15, 25, 100, 20 );//top, botttom, left, right
    g.drawString( "Genny's Current RGB: " + g.getColor(), 130, 40 );
    // set new drawing color using floats
    g.setColor( new Color( 0.75f, 0.75f, 0.0f ) );
    g.fillRect( 15, 50, 100, 20 );
    g.drawString( "Genny's Current RGB: " + g.getColor(), 130, 65 );
    // set new drawing color using static Color objects
    g.setColor( Color.GREEN );
    g.fillRect( 15, 75, 100, 20 );
    g.drawString( "Genny's Current RGB: " + g.getColor(), 130, 90 );
    // display individual RGB values
    Color color = Color.RED;
    g.setColor( color );
    g.fillRect( 15, 100, 100, 20 );
    g.drawString( "Genny's RGB values: " + color.getRed() + ", " +
    color.getGreen() + ", " + color.getBlue(), 130, 115 );
    } // end method paintComponent
}