I was looking at the Beyerdynamic website and found that you can customise the colours of a few models. They look really funky but at the moment the option is limited to DT880, DT990 and T50p.
http://europe.beyerdynamic.com/shop/hah/headphones-and-headsets/at-home/hifi-manufaktur.html
Here is the scheme that I chose... Mmmm black and red
http://europe.beyerdynamic.com/shop/hah/headphones-and-headsets/at-home/hifi-manufaktur.html
Here is the scheme that I chose... Mmmm black and red