ΔE 15.1, loose: different enough that you should pick on purpose. Barbarian Skin is noticeably darker, cooler than Peach Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Barbarian Skin is noticeably darker, cooler than Peach Flesh.
The same difference applies the other way round: Peach Flesh is noticeably lighter, 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 Peach Flesh on the colour wheel See Barbarian Skin on the colour wheel
All matches: Peach Flesh equivalents · Barbarian Skin equivalents