如何学会模拟MSN界面？
In msn messager, you can see a nice button.
you can select any color, and msn messager willdraw a 3D like button. I try to make a button like this, when you select a color, how can I draw a 3D like button? I need more than one color, at least two. I do not know what to do for a dozen time. finally I got to know HSL and solve the problem. Now, let 's have a look at this graphic: