When you wear colors not suited to your skin's undertone, you promptly look haggard and dull. I see it all the time, particularly cool-toned guys wearing khaki or brown and warm-toned guys wearing blue. Knowing your undertone makes it much easier to select the colors that brighten your face. But since it's an undertone and has nothing to do with fairness or darkness, it's a bit tricky to identify. Here's how.
