Try a floating ledge shelf scheme for your gallery wall. Explore photos of various ledge gallery walls and decide if it's a gallery wall style that would work in your home.
Blue mill work and pocket doors.
Wall color is Pale Oak Benjamin Moore. Pale Oak is a light warmer greige (gray/beige) that leans just a tad warmer than traditional greiges. In spaces with a lot of natural light (like this space below), Pale Oak will look more of a warm off white.
Bottom left for me Beautiful Minimalist Bedroom inspiration.