if you look at the official desktop customization thread here in the forum, you'll see that many of us have changed the color, and in some cases, the shape, this requires an app called Shapeshifter by unsanity software . its a very cool theme changing software.
Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.