Yes, a "pop of color" -- whether it be a pink purse or blue shoes or a bright scarf -- is fun and eye-catching and can add a lot to an outfit, but it is not always necessary. Sometimes it's better to embrace simplicity. Take the Halle Berry ensemble above, for example. She could have very easily added, say, a bright red clutch for a pop of color. Instead she accessorized with simple jewelry, black shoes, and let the beautifully detailed dress take center stage.