Looking to color correct or customize your foundation? With our new PRO.color Foundation Mixers, you will have endless possibilities of creating new foundation shades, color matching and color correcting. - White - Customize foundation by lightening your shade. Perfect for seasonal changes. - Yellow - Shifts foundation shade to a golden undertone. Perfect for foundations that are too pink or neutral. - Orange - Shifts foundation shade to a warmer undertone. Perfect for foundations that are too golden or cool - Blue - Shifts foundation shade to a neutral undertone. Perfect for foundations that are too warm.