Basic Flesh vs USAF Tan

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. USAF Tan is noticeably darker, more saturated, cooler than Basic Flesh.

Can I use USAF Tan instead of Basic Flesh?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). USAF Tan is noticeably darker, more saturated, cooler than Basic Flesh.

Can I use Basic Flesh instead of USAF Tan?

The same difference applies the other way round: Basic Flesh is noticeably lighter, 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.