Decorate your living room with grey sectional couch so that this is most important furniture of room. Colors you use to decorate living room will depend on theme and style you want, and shade of gray of sofa. Arrange pillows on grey sectional couch to incorporate accent colors. For a modern room in gray, black and white using white or bold prints, stripes, polka dots and zebra prints cushions. For rural living or masculine style, if sofa is deep gray, forest green uses stripes and plaids in bright gray
To complement style of grey sectional couch, you can hang pictures or images. For a country style, consider family photos in frames that match other wood furniture. Contemporary art in black and white or bold colors can complement a decor modern. Paintings of vineyards and hills are suitable for a Tuscan-style room. Place furniture in room so that complement gray couch and style you want to create. Shelves and tables of dark wood are suitable for a formal room. Aged wood is either a worn or country style. Tables and shelves chrome and glass can be used in a contemporary room. Bookcases, entertainment centers and tables should be proportionate to size and weight of sofa.