The colors used in here are in harmony by the room design only using analogous colors, the hues of the room match by going from one to another very smoothly and the values doing the same to complement the change it makes to the other analogous color. Finally the chroma being very strong to the colors of dark brown but changes to gray and white throughout the room with the wall and pillows on the couch also changes to the other colors when to complement the hue and value to make it harmonious