ΔE 7.0, close: similar, with a visible difference side by side. Barbarian Skin is a little lighter, more saturated than CARC Tan 686A (FS33446).
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Barbarian Skin is a little lighter, more saturated than CARC Tan 686A (FS33446).
The same difference applies the other way round: CARC Tan 686A (FS33446) is a little darker, more muted.
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 Barbarian Skin on the colour wheel
All matches: CARC Tan 686A (FS33446) equivalents · Barbarian Skin equivalents