What color curtains go with blue couch with a green pattern. The walls are honey panel rug is neutral berber.?
I might suggest matching the curtains to the carpet. (Pun not inherently intended.) Or even if perhaps you could find a curtain with the carpet color, but also a bit of one or both of the colors of the couch. I wouldn't necessarily suggest going with a completely different color, however a chocolate brown might go nice.
Curtains don't have to be darker than the walls, I like it when they are lighter, it makes the window look airy. There are no rules like that, at least none that apply to every situation. If you don't want to match them to the carpet, then you could get blue or green to match the couch. You could find a pattern that has a natural cream background with a blue and green pattern and tie it all in together. If your couch is an ornate pattern, like floral, I would go with something simple, like stripes.
