love the wall color! A rich cocoa makes the small entryway seem grand. Black semigloss paint on the railing and accents of crisp white create a bold contrast, one of the keys to livening up a neutral palette.
The upward angle of the frames should match the angle of the stairs in a staircase display. Keep larger frames as the focal point and use smaller ones as an accent – note how the corners of the smaller frames are placed in relation to the dotted line