Flayed One Flesh vs Fair Skin

How close are they?

ΔE 9.8, close: similar, with a visible difference side by side. Fair Skin is a little lighter, more muted, cooler than Flayed One Flesh.

Can I use Fair Skin instead of Flayed One Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Fair Skin is a little lighter, more muted, cooler than Flayed One Flesh.

Can I use Flayed One Flesh instead of Fair Skin?

The same difference applies the other way round: Flayed One Flesh is a little darker, more saturated, 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.