transition - the stair case and the curve of the walls
Q
opposition - white fireplace against a black wall, the right angles of the ingravings above the fireplace and on the fireplace
gradation/progression - the blue ombre on the wall, the size of the "mountains" on the wall
Repitition - the curtains and the blue color in the curtains and the pillows
transition - the stair case and the curve of the walls
Q