ΔE 6.1, close: similar, with a visible difference side by side. Elven Flesh is a little darker, warmer than Elf Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Elven Flesh is a little darker, warmer than Elf Skin.
The same difference applies the other way round: Elf Skin is a little lighter, 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 Elf Skin on the colour wheel See Elven Flesh on the colour wheel
All matches: Elf Skin equivalents · Elven Flesh equivalents