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Find your exact foundation shade match across Fenty, Estée Lauder, NARS, MAC, and Maybelline with undertone color theory.
Instantly converts between Fenty, Estée Lauder Double Wear, MAC NC/NW, NARS, and drugstore formulas.
Distinguishes cool rosy, warm golden, neutral peach, and olive green undertones for seamless neck blending.
No account creation or subscription required, shade calculations run locally and export to PDF lookbooks.
The tool converts your skin depth (Fair to Rich Deep) and undertone (Cool, Warm, Neutral, Olive) across leading global foundation formulas—including Fenty Beauty, Estée Lauder Double Wear, NARS, MAC Studio Fix, and Maybelline Fit Me.
Check the veins on your inner wrist in natural daylight: Blue/purple veins indicate a Cool (rosy) undertone; green veins indicate a Warm (golden/olive) undertone; and blue-green mixed veins indicate a Neutral undertone.
Yes! Click 'Shade Guide PDF' to export an official shade conversion matrix with product codes, color swatches, concealer pairings, and application tips.
Yes! The matrix includes dedicated olive green/yellow undertone mappings and rich deep espresso shade conversions to ensure zero ashiness across all skin tones.