Unexpected color combos — that work! — can make a major style statement. As Michelle Monaghan proves in a mustard + red combo, it's the sum of the outfit's parts that make it a standout, specifically the mustard sweater + red pumps. It's a surprise pairing that she carries off effortlessly. You can do the same, just stick to the colors in simple separates, like a cropped sweater ($58), then add the color complement via accessories, like a bold belt ($32) — fresh and Fall-ready. Click the items above to shop the look.