A second throw blanket to add warmth
Of course I did all of this very quick without regarding for price and so on but color doesn’t have to come from broth colors. You already have done a great job with texture and color mixtures. That’s why I like it a lot. Take a look at those links. Let them give you a vision then go get similar items with your taste.
Right now you have the perfect outfit but no accessories. As a minimalist I add color through the accessories. Enjoy.