We bought a futon for the purpose of being our living room couch. Here it is:
It isn't too low & I think it looks fine. It's not as soft as some couches, but I'm ok with that. We've talked about getting another couch sometime, but we got this especially so that we could have a place for a guest to spend the night if necessary. We have no guest room.
P.S. You might have to turn the brightness up on your computer screen to see it very well. I did.