The most important thing in selecting the proper foundation shade is to first match your skin undertone and then choose a matching color depth. Simply determine if you're Cool, Neutral or Warm - based on your eye, hair and skin tones - then select the shades specifically formulated for that group.
The first step to selecting the best shade of mineral foundation is to evaluate skin undertone as warm, cool, or neutral - based on your eye, hair and skin tones.
Perhaps the easiest way to determine the undertone of your skin is to check the color of your veins. By looking at the veins on your inner wrist or elbow in natural light, you can usually determine what undertone you have. If the veins on the inside of your wrist or elbow look green, you have warm undertones. Blue veins means cool. If you can’t tell what color you have or if you have both, then you’re one of the lucky ones with a neutral undertone.
Choose your depth of color:
Although a professional color consultation is best, there are several quick ways to determine undertone. One method is to see whether gold or silver is the most flattering. Warm tones look better in gold while cool skin is vibrant in silver. People with neutral skin can usually wear either one.