trying to add a pane of buttons to sidepanel

assignments/a2/src/main/java/Sidepane.java

@@ -6,6 +6,8 @@ import javax.swing.*;
 public class Sidepane extends JPanel implements Observer
 {
   private Model model;
+  private Colours colours;
+  private JPanel thiccness;
 
   // Bob the Builder this shit
   public Sidepane(Model model)
@@ -14,6 +16,8 @@ public class Sidepane extends JPanel implements Observer
     // changes.
     this.model = model;
     this.setPreferredSize(new Dimension(100, 300));
+    colours = new Colours();
+    this.add(colours);
     model.addObserver(this);
   }
 
@@ -27,3 +31,36 @@ public class Sidepane extends JPanel implements Observer
     repaint();
   }
 }
+
+private class Colours extends JPanel
+{
+  private jButton red;
+  private jButton green;
+  private jButton blue;
+  private jButton yellow;
+  private jButton purple;
+  private jButton orange;
+  private jButton cyan;
+  private jButton custom;
+  
+  public colours()
+  {
+    this.setLayout(new GridLayout(0, 2));
+    red = new jButton("Red");
+    green = new jButton("Green");
+    blue = new jButton("Blue");
+    yellow = new jButton("Yellow");
+    purple = new jButton("Purple");
+    orange = new jButton("Orange");
+    cyan = new jButton("Cyan");
+    custom = new jButton("Custom");
+    this.add(red);
+    this.add(green);
+    this.add(blue);
+    this.add(yellow);
+    this.add(purple);
+    this.add(orange);
+    this.add(cyan);
+    this.add(custom);
+  }
+}