Here are unusual dark apartment decorating ideas. Who’s says that dark room interior can make the owner feel desperate and moody? this apartment can break the rules. The main theme color is quite dark and moody. Walls, doors and even furniture are some deep, dark colors. Although there are some other furniture and decorative elements that distinguish these colors. A coffee table rose in the living room is probably one of the most notable among them. Bookshelf wallpaper is another very interesting feature of this interior. It adds a look boutique lounge-like, into the interior with cluttering it with a lot of books.