Elven Flesh vs Natural Flesh

How close are they?

ΔE 6.6, close: similar, with a visible difference side by side. Natural Flesh is more saturated than Elven Flesh.

Can I use Natural Flesh instead of Elven Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Natural Flesh is more saturated than Elven Flesh.

Can I use Elven Flesh instead of Natural Flesh?

The same difference applies the other way round: Elven Flesh is more muted.

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.