So are you cool or warm? Cool complexions usually have "blue, violet or gray eyes," says Los Angeles makeup artist Lucy Crawford. Warm complexions usually have brown, green or hazel eyes and tan rather than burn in the sun. But rules were made to be broken, so here's a second test: Hold a white sheet of paper to your jawline. If you see pink or blue in your skin, you're cool; yellow or orange means you're warm. Now remember your undertone and find your makeup colors: