This could work in a tiny bathroom. Love the tiled floor/painted wall combo and the fact that the tiles in the shower match the wall colour but are different from the floor. The niche for storage works well for us too.
Black slate bathroom - white shower - Bathroom with a shower Tile from the Tileshop. black blue walls paint color, gray slate tiles floor, white stone subway tiles shower surround and frameless glass shower.
**I love using raw wood to bring in the natural world. Lovely powder room features reclaimed wood mirror over floating reclaimed wood vanity paired with white top and wall-mounted faucet stacke dover reclaimed wood cabinet atop white penny tiled floor.