My sewing room is one of the only rooms in my house with off white walls. I grew up with off white walls and find them very boring. However, my sewing room has so many shelves on the walls for my boxes of fabrics, plus the design wall and some miscellaneous hanging items that you really can't see much of the walls anyway. The original intent when I painted them off white was so that that I'd have a neutral background that wouldn't interfere with the colors I was using.