When dressing in business casual, I often find myself gravitating towards the clean, fresh look of stark black and white. With the right accessories, it never feels boring, and instead has just the right air of sophistication. And generally speaking, pearls always do the trick. The sunny California sky helps, too.
Céline sunglasses, vintage pearls, J. Crew shirt, Theory skirt, Michael Michael Kors pumps (similar), Marc Jacobs bag (similar).