Many people are more attracted to either silver or gold jewelry because of the way it looks against their skin. If you have neutral undertones, then your veins may appear colorless or match the color of your skin. People with blue or purplish-looking veins usually have cooler undertones. For example, if your veins look greenish, then you may have warm undertones. If you can see your veins, you may be able to use their color to identify your undertone. They can help you identify your undertone and may even be able to swatch different product shades until you find your ideal match. You can make this determination using any one of the tests we outline below.īut if you’re still stuck, visit your aesthetician or consult with a beauty expert at a beauty counter like Ulta or Clinique. Determining your skin’s undertone can be done in the comfort of your own home.