Green Curtains On Blue Walls Sofa/loveseat Is Plaid, Big Dark Blue Stripe, Smaller Red/green Stripes. What Color Curtains Are Best?

Sofa/loveseat is plaid, big dark blue stripe, smaller red/green stripes. What color curtains are best? - green curtains on blue walls

I do not want my room to dark. I sand "color of the paint on the walls (the walls were painted when I) or a sage green sofa. The carpet is the color of oatmeal and red carpets. Try to avoid, colors, but I need to make the curtains on pull a strand. Help!