Add a rug and more art work behind the couch

also some patterned/coloured cushions

Greyed down pastels are coming in fast. Try plain muted coral cushions.

Megan, I think you need a boost of contrast colour in the room to lift it and I would suggest lime/bright greens. Definitely art will make a huge difference. Your cushions also look a little tired, they need to be more structured and make a statement, but be careful they don't fight with the artwork. I would not put an area rug over carpet, it can ruin it. Compare this room, it may help, it is the closest I could find but notice the lift the green in the plants give the room and the structure of the cushions. Even the touch of mustard in them makes a difference.

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I'd try an artwork perhaps DIY tryptich in brighter colours...love the lime green idea above, even orange patterns. Choose cushions, jars, knick knacks, lamps to match the accent colours in the art, and perhaps one wall in a solid colour to match, or some stripes in same

Hi Megan, I think what's really missing is texture and another colour. A rug, definitely, as it will help define the space; artwork; cushions a & accessories and I think you'll be a lot happier with the room. Here's a few quick suggestions.

Obviously I am biased, but a feature wall of wallpaper could be amazing! How about this one? It's in your colour scheme

I think there are too many square shapes dominating the room. Add a little roundness by way of circular cushions or a large circle vase or planter.

Hi there Megan,
All too dark for me but the picture needs to be much larger, a very bright colourful print of some description and I also agree with midesign0401, that the room looks to hard or heavy, needs some softness but if you listen to the people in this forum who like the blue's, you'll get it right

Hi Megan, I think all the comments have been very constructive and positive. I looked at your photos very carefully and my eye was being confused by the white walls and the beige/caramel carpet. I think your modular lounge is beautiful and your choice of furniture is good. The coffee table could be exchanged perhaps for a more organic shape, and a glass top table opens up a space also. Another choice of coffee table would be using the lounge ottoman with a large tray to hold cups and magazines. Have you considered moving the lounge off the wall if there is the space? I definitely would love to see a large rug and a large artwork for the wall, however there seems to be a lot of light hitting that wall and I wondered about fading (of the lounge, over time and of the artwork) so what are your window coverings? Before you commit to colors etc., find some pieces of fabric (could even be tablecloths, sheets or clothes) in different colors, throw on the lounge (one color at a time) and take a photo - you will soon be able to tell which colors work best for you. Same goes for the floor - simple but effective when rugs and cushions are not often cheap. You will have so much fun deciding and whatever you decide will be just fine because you have to love the home you are in! Good luck with everything Di.

Have you considered lighting? Side lamps, standing lamp, or maybe a reading lamp?

Could do with some artwork on that wall. Possibly a a panoramic piece....