Sherwin-Williams’ Stir magazine has a very good, basic color theory primer available. They also include links to sites with more in-depth color theory information. Having a little understanding about how colors affect each other will help your interior design scheme immensely.
I found this very interesting article online about a scientist who is developing a house paint that changes color and light reflective capabilities based on outside temperature. His goal is to reduce the need for fossil fuels. Very cool, or hot, indeed! Read the article here. Buy this artprint here.