Depending how vivid your scarlet is: You can go with white or cream so it really is the accent wall and nothing is shouting for equal attention You can also go for a muted grey or beige

Hi Emran, What a great size room you have. You need to create two sitting areas within the space, and pull them into the room (get them off the wall), also I can see from the fantastic chandelier that you have, that the dining table must stay where it is. I would recommend you go with 3 large area rugs, at least 10x12 looking at the size of your room. I would use traditional rugs with different patterns, yet similar colours so that they all work together. Visit alexanian.com for many rug ideas. They ship throughout Canada and US. Here are some of my suggestions, which I feel will pull together the mustard, red, brown and grey colours. Good luck and I love your space. Wendy

What soft furnishings do you have. You could pic out one or two colours as an accent colour and use that as your Base for the curtains. I currently have cream hessian walls and have a duck egg blue and chocolate curtains. I'm currently making matching Oxford cushion covers for the settees . If you can't find what your looking for ready made buy the fabric and have bespoke curtains made for you.

I'd suggest dark red curtains if you need curtains at all -- the windows are beautiful as they are, and I'm not sure whether some kind of blind might not give you the ability to darken the room when you want to. On the wall, if you are real fans of any movies or TV shows, three big posters would be fun. Otherwise, I would still suggest using three pieces of art there of that size, all equal in size and somehow relating to each other. Three floral works, or three works in the same style, perhaps. I think a large plain textured rug in a light neutral from one of the cushion fabrics would tie the space together well. You might also consider a lovely low coffee table on the rug to lay out your snacks and drinks for serious media nights.