ΔE 5.6, very close: most people won’t see a difference side by side. USAF Tan is more saturated, warmer than CARC Tan 686A (FS33446).
Yes, for most jobs. Very close match (ΔE 6). USAF Tan is more saturated, warmer than CARC Tan 686A (FS33446).
The same difference applies the other way round: CARC Tan 686A (FS33446) is more muted, cooler.
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 CARC Tan 686A (FS33446) on the colour wheel See USAF Tan on the colour wheel
All matches: CARC Tan 686A (FS33446) equivalents · USAF Tan equivalents