Principles of design: Balance: This could at first appear to be symmetrical, but when you look at all the elements, such as the drawers on the left & the ottomans on the right, it makes it broken up more so it's not in such tight symmetry. Harmony: The shelf above the t.v. is repetitive by having the books, but then the room gets more variety by adding in the plant by the t.v. and the yellow ottomans.
OMG - what a stunning room. The aqua walls, the white trim and beachy wood. Gorgeous!