****************************************************************
COMPLETE SOURCE CODE FOR : GetDefaultJFrameBackgroundColor.java
****************************************************************
import javax.swing.JFrame;
import java.awt.Color;
public class GetDefaultJFrameBackgroundColor
{
public static void main(String[]args)
{
//Create a window using JFrame
JFrame frame=new JFrame();
//Get JFrame background color using method getBackground()
Color frameBackgroundColor=frame.getBackground();
//Get RED value from color
int redValue=frameBackgroundColor.getRed();
//Get GREEN value from color
int greenValue=frameBackgroundColor.getGreen();
//Get BLUE value from color
int blueValue=frameBackgroundColor.getBlue();
//Print RGB value that we get
System.out.println("R : "+redValue);
System.out.println("G : "+greenValue);
System.out.println("B : "+blueValue);
//You can check what color that match the RGB value that we get using 'Color picker' at above
}
}
****************************************************************
JUST COMPILE AND EXECUTE IT
****************************************************************