Here is a tool I put together for reference while I was editing the colors in the MB template main.css

Maybe this will help someone as they work on changing colors of their templates. I couldn't upload the pdf because it was 2kb too large and I don't have time to size it down. So I converted it to a jpeg and posted it on flickr. You can find it at the following link:

http://static.flickr.com/71/188161608_997f4b5e3e_o.jpg