Peachy Flesh vs Drain Life

How close are they?

ΔE 7.5, close: similar, with a visible difference side by side. Drain Life is a little darker, cooler than Peachy Flesh.

Can I use Drain Life instead of Peachy Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Drain Life is a little darker, cooler than Peachy Flesh.

Can I use Peachy Flesh instead of Drain Life?

The same difference applies the other way round: Peachy Flesh is a little lighter, 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.