Gray interior give a formality that is subtle elegance without being too conservative. Gray color effect depends very much on the color shade that you will use. For example, if gray has a yellow tint may be depressed, especially if you have things in the room in various shades of brown. But a beautiful shade of gray, in combination with not very bright white color, can create a clean and refreshing appearance. If you have too many gray areas will become predominant and create a boring environment.