Steve Schoger does a great job of designing with accessibility in mind! The future book that this chapter will be rolled into contains a whole discussion on it.

Steve Schoger does a great job of designing with accessibility in mind! The future book that this chapter will be rolled into contains a whole discussion on it. If you check out the Refactoring UI screencasts, he uses an app (called Contrast, if you're curious) to make sure things meet AA minimum requirements.