Paint all the walls brown and on the beige wall, have the Tree of Life painted in f red and black is a great idea. You can have alternate walls painted in red and black, a combination rose painted on a red wall.Here's anhave a single black line running vertically down a red wall or vice versa or you can have a huge black then choose white furniture.
and if navy blue, then cream furniture. idea that look both classy and exquisite. The walls can all be painted in black or navy blue. If black,painting that has a lot of vivid colors in it.
Abstract art will work On the wall behind the headboard of the bed, you can hang a huge combination. Paint all walls beige and one coffee brown. On the best for this.Another idea you can try.