ΔE 22.5, loose: different enough that you should pick on purpose. Barbarian Skin is noticeably darker, more muted, warmer than Naples Yellow Hue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Barbarian Skin is noticeably darker, more muted, warmer than Naples Yellow Hue.
The same difference applies the other way round: Naples Yellow Hue is noticeably lighter, more saturated, 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 Naples Yellow Hue on the colour wheel See Barbarian Skin on the colour wheel
All matches: Naples Yellow Hue equivalents · Barbarian Skin equivalents