platform: VistaUltimate_64bit
build:1.7.0.b64
case#:javax/swing/JColorChooser/Test4380468.java 
# Case descriptions:
1.Click the HSB tab at the ColorChooser.
2.Click in the lower left corner of the gradient palette in order to select a color such that all three RGB values are single digit colors(such as 0,0,0 or 5,3,1).
3.Click another tab,then click back to the HSB tab.
4.Now click the lighter colors that should have 2 and 3 digit RGB values(in the upper right corner).
if all digits of each RGB value are shown then test passes.If only the last digit of their values are shown then test fails.
# Actual behavior:
Can't see HSB tab.
Pls refer to the attached shots
# Exceptions:
None
# Steps to reproduce:
1).do as the following code:
---------Begin code---------
import java.awt.Color;
import javax.swing.JApplet;
import javax.swing.JColorChooser;

public class Test4380468 extends JApplet {
    public void init() {
        add(new JColorChooser(Color.GREEN));
    }
}
---------End code-----------
2).the case pass with 6u12

#Validation
Same issue happens to:
Product: j2se
OS: ubuntu9.04-i586
JDK/JREBuildNo.: 1.7.0b66