-            dc.DrawRectangle((12 * self.cellWidth, y),
-                             (6 * self.cellWidth, self.textHeight))
-
-        dc.EndDrawing()
+            dc.DrawRectangle(10 * self.cellWidth, y,
+                             6 * self.cellWidth, self.textHeight)
+            
+            dc.DrawText(str(tuple(colours[line][1:])),
+                        18 * self.cellWidth, y)