Wildling Flesh vs Peach Flesh

How close are they?

ΔE 7.2, close: similar, with a visible difference side by side. Peach Flesh is more muted, warmer than Wildling Flesh.

Can I use Peach Flesh instead of Wildling Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Peach Flesh is more muted, warmer than Wildling Flesh.

Can I use Wildling Flesh instead of Peach Flesh?

The same difference applies the other way round: Wildling Flesh is more saturated, 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.