import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Colors extends JPanel {
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(new Color(12, 16, 116));
g2d.fillRect(10, 15, 90, 60);
g2d.setColor(new Color(42, 19, 31));
g2d.fillRect(130, 15, 90, 60);
g2d.setColor(new Color(70, 7, 23));
g2d.fillRect(250, 15, 90, 60);
g2d.setColor(new Color(10, 10, 84));
g2d.fillRect(10, 105, 90, 60);
g2d.setColor(new Color(22, 21, 61));
g2d.fillRect(130, 105, 90, 60);
g2d.setColor(new Color(21, 98, 69));
g2d.fillRect(250, 105, 90, 60);
g2d.setColor(new Color(217, 146, 54));
g2d.fillRect(10, 195, 90, 60);
g2d.setColor(new Color(63, 121, 186));
g2d.fillRect(130, 195, 90, 60);
g2d.setColor(new Color(131, 121, 11));
g2d.fillRect(250, 195, 90, 60);
}
public static void main(String[] args) {
JFrame frame = new JFrame("Colors");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new Colors());
frame.setSize(360, 300);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
}