ΔE 13.1, fair: the same colour family, but not a straight swap. Basic Skin Tone is more saturated, cooler than Fair Shadow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Basic Skin Tone is more saturated, cooler than Fair Shadow.
The same difference applies the other way round: Fair Shadow is more muted, warmer.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Fair Shadow on the colour wheel See Basic Skin Tone on the colour wheel
All matches: Fair Shadow equivalents · Basic Skin Tone equivalents