Top, Jones New York (thrifted). Skirt, Billabong. Moccasins, Minnetonka. Headband, Forever 21. Necklace, Zad. Bracelet, Zad. Bag, Charming Charlie.
I doubt the phrase “pop of brown” is going to catch on. Add an extra “o” and the meaning has changed entirely.
Some more black and white with a pop of brown: