Arrangement of the sofa and area rug give this seating area its own identity from the kitchen, while a neutral palette across the spaces embraces the open floor plan. Dusty plum pillows and a furry gray pouf give the neutral room a sense of dimension.
If you have a large blank wall that you don't know what to do with, consider framing wallpaper! Get some trim molding cut to the proper size at Home Depot and paint it white. This makes for a dramatic (but inexpensive) piece of wall art.