Edit: it’s actually the last photo (brighter one) that comes in additional size

I'm liking the 2nd one shown on white brick wall. The first art has too much of your room colors in it. I'd add some pieces of the colors in the art around the whole room including kitchen space, to tie art into room. I only see 2 pieces of art. I’m also thinking the 32 x 48 size is best so space isn’t overwhelmed. I’ve found it helpful to tape a paper mockup on walls cut to size of art I’m considering. I find the visual really helps me make size decisions for art, rugs & furniture - saves many returns or purchasing goofs!

ETA - just saw your added note - so, good, the one I like comes in size I might like!

I think the 60 inch width would be too large, but the other sizes should work. You can use paper bags to mock up a size to see what you like.

I like both of those pieces. Lots of color and drama.

I would be buying a rug before art, although the two should be complementary (although not necessary both contain the same colors). Your floors are beautiful!

any art with color would help,

I do agree with @kandrewspa, a great area rug will change everything.

Also, I have a similar sectional in my family room, and mine can be switched, chaise to the other end. If you are able, I would do that and skoot it around to in front of the window, not jambed up against the window, but away a bit.

Facing the room. Every piece of furniture does not have to be pushed up against the wall.

Create groupings of your pieces, make them useful, not just fillers.

Step back and give us a full view of the room,

you may get a lot of help pulling the space together.

My vote is 40h x 60w for a 91” sofa. Even better, 70”+. . You can pull the sofa a little away from the wall and try uplights on the floor pointing up to illuminate the painting. Will you be adding end tables and lamps? I like your live edge coffee table!

As for me size does matter. I like big wall art.
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Gallagher Sofa - Sea Glass · More Info

Your space has a city loft feel, so I thought a cityscape would work well. Lots of colors to choose from for accents.

60" wide no problem but I garee those colors are too harsh with no connection to anything. I like art to be something I love and IMO art first then a rug and the rug can be more texture than pattern too. Maybe show the whole space since I am not sure why a garbage can is there at all or that spindle chair.

Thank you all for the feedback, especially the point about not bringing in every color and maybe choosing one.

I’ve found an artist in Milan who will do a painting just for me, using a technique I love called impasto (where the paint is thick and sticks out from the surface) - through Etsy.

Thoughts on these 4 options? The first 3 would be 60x32 but the last would be 60x40 and more pricey. If anyone has photoshop skills I would really appreciate seeing them with my couch, especially the first one (which I’m leaning towards)!

Also appreciate the tips about checking the size - I used garbage bags and found that 60in wide was just right, not too wide at all!

In terms of the rest of the space, I have ordered a live edge side table. I plan on getting a nicer lamp too, but waiting for that. I won’t be getting an area rug, as I’m renting this place and might have to move in a year. The rest of the furniture I can take with me but a rug will be sized to this specific place. Anyways, I love my wood floors!

I’m also considering this painting

The difference in height of the first and the last isn't apparent. My preference is for the last one. I really like the lateral movement.