Room ideas

This is our god awful living room. 30 yr old carpet, paneling walls... one wall is tung and groove pine.. We've been renovating the home.. this room is next. We just got the couch today. Carpet is next and I'd like to paint the paneling until hubby does more pine, door frames are a reddish color, which will be staying as we have cats who just.claw the shit so we ain't painting. Need ideas for paint color and carpet?? Hubs thinks a green color for walls, but what shade of it?, and either a similar color carpet or darker a bit.