Special Color for Best Storage Room

What is the best color and design for our small room? If you had this room, how will you use this room? for storage room, waiting room, living room or other? This room is designed for connecting between other rooms, but with special color, we can use this room for other purpose. Actually, this design is suitable for storage room, see the door! on this design, the sliding door can make the room more efficient. How about a waiting room? yeah, use this room for waiting room, but we will need more chairs. So, up to you! How it will be!
waiting and storage room