There doesn't seem to be any ambient light in the room. A floor lamp in the corner to the right of the door will provide some of that. I like the classic shapes of the one's below for your room. You could think about a table lamp for the chair as well.



The left of the door way would be a great place for a canvas or framed piece of art. This one, by Steve Penberthy repeats the branch theme above your fireplace and incorporates your color palette.