Determine the underlying pigments of your skin to select the best hair color for you skin tone. In general, people with cool undertones in their skin look best with a cool hair color, and those with warm undertones in their skin look better with a warm hair color. One way to determine the underlying pigments of your skin, is to hold a yellow and red piece of paper and then a white, green, silver and blue piece of paper against your clean face. If your skin looks more flatteri