Applet Color And Font

I am new to applets and I am trying to create a program to display color and font. See my code below, I am getting some errors below.

import java.awt.Graphics; //program uses class Graphics
import javax.swing.JApplet; //program uses class JApplet
import javax.swing.JOptionPane; //program uses class JOptionPane
public class AdditionApplet extends JApplet
{
private double sum; //sum of values entered by user
private double average; //average of values entered by user

[Code] .....

java:11: error: cannot find symbol
Color skyBlue;
^
symbol: class Color
location: class AdditionApplet
java:12: error: cannot find symbol
Font sansFont;

[Code] .....

6 errors
Process completed.