Feng shui can get quite in depth, however the basics are easy to follow. Color is something that gives a room a new energy. In Feng shui, there are five color elements. They include wood, water, metal, earth, and fire. Wood promotes development and creativity in the home. Metal creates attention and energy in a space. Earth represents the stability of a home, fire represents energy and passion, and water shows wealth and promotes communication. Earth is light yellow or beige. It is to be used in the northeast part of the home or the southwest. Then there is metal which is white and gray. It is to be used in the west and northwest part of the home. Water is blue and black. It is for the north part of the home. Wood is brown and green. It is for the east and southeast parts of the home. Feng shui has many categories and elements to it. The key is to bring in color and light into your home to make it a better place and make you happier and healthier!
Source: http://fengshui.about.com/, http://www.thespiritualfengshui.com/