Vampire Fang vs Pale Flesh

How close are they?

ΔE 7.9, close: similar, with a visible difference side by side. Pale Flesh is a little darker, warmer than Vampire Fang.

Can I use Pale Flesh instead of Vampire Fang?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Pale Flesh is a little darker, warmer than Vampire Fang.

Can I use Vampire Fang instead of Pale Flesh?

The same difference applies the other way round: Vampire Fang 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.