Back in 1998, I made a page that allowed you to test different colors of text, links and page backgrounds. This was state-of-the-art then. It would remember values you'd set during your time there and everything.
And lucky for you, I somehow kept it all these years...take a look at it here.
See how it warns you that you have to have Netscape 3.0 or Internet Explorer 3.0? This should blow your mind.
And you know what else will really blow your mind? I still have the interactive version of it here. Go to town with your pencil-making self.