The default order of chooser panels is: swatch chooser, HSB chooser, and RGB chooser. This example demonstrates how to change the ordering. 
    JColorChooser chooser = new JColorChooser();
    
    // Retrieve the number of panels
    int numPanels = chooser.getChooserPanels().length;
    
    // Create an array with the desired order of panels
    // findPanel() is defined in
    // e880 Retrieving the Color Chooser Panels in a JColorChooser Dialog.
    AbstractColorChooserPanel[] newPanels = new AbstractColorChooserPanel[numPanels];
    newPanels[0] = findPanel(chooser, "javax.swing.colorchooser.DefaultHSBChooserPanel");
    newPanels[1] = findPanel(chooser, "javax.swing.colorchooser.DefaultRGBChooserPanel");
    newPanels[2] = findPanel(chooser, "javax.swing.colorchooser.DefaultSwatchChooserPanel");
    
    // Set the new order of panels
    chooser.setChooserPanels(newPanels);