Color is used in light witch is whats setts of the feeling. There are warm and cool colors and cool colors. Thees also plane white witch is neutral and gives of no emotion. Warm colors make the building pop out to and it feels like its coming to you. Cool colors do the opposite and it feels like the wall is further away. The primary colors are red blue and yellow witch make the person feel differently. Color is good because it makes a building look good.