ΔE 9.4, close: similar, with a visible difference side by side. Succubus Skin is more saturated, cooler than Tanned Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Succubus Skin is more saturated, cooler than Tanned Flesh.
The same difference applies the other way round: Tanned Flesh 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 Tanned Flesh on the colour wheel See Succubus Skin on the colour wheel
All matches: Tanned Flesh equivalents · Succubus Skin equivalents