ΔE 9.7, close: similar, with a visible difference side by side. Barbarian Skin is more saturated, cooler than Celestine Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Barbarian Skin is more saturated, cooler than Celestine Skin.
The same difference applies the other way round: Celestine Skin is 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.
See Celestine Skin on the colour wheel See Barbarian Skin on the colour wheel
All matches: Celestine Skin equivalents · Barbarian Skin equivalents