fresher wall color. consider painting the fireplace? maybe work with mirrors to open up the space a bit visually. your cushions dont quite fit the style of your couch. maybe a throw? look up fireplace arrangements in ideabooks. find a big piece of art you love and work around that. maybe have a gallery wall on the white one above your storage unit with your smaller frames. work in mirrors, cool flea market finds. id consider painting your table and cabinet a pale color. you have a lot of potential.