Modifying Window Button Colors in Mac OS X

Question

How can I modify the red/yellow/green window buttons for close/minimize/zoom in Mac OS X? There must be an editable resource or plist somewhere.

Here are the buttons I\

Answer 1

Just as a reminder, the Graphite appearance in Snow Leopard and earlier changed the window buttons to gray. I was quite surprised and unhappy that in Mountain Lion these remain colored even in the Graphite theme. (I forget what Lion did, because I only used it briefly.) It's my machine. I want to change it. Color stands out more than I want and is distracting. It also looks unprofessional. In fact, I used to use Unsanity's Mighty Mouse to turn the stupid colored beachball into something gray.