To find the right shade of foundation, first determine if your skin’s undertone is warm, cool or neutral.
Warm undertones are better suited for gold- or yellow-based foundations
Cool skin tones need a foundation with a base of red or blue
Neutral undertones look best with a subtle, possibly golden foundation that doesn’t have any strong yellows, reds or blues
If you’re not sure what your skin tone is, visit a makeup store to test a few shades or get professionally color matched.