Desert Skin vs Cadian Fleshtone

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Cadian Fleshtone is a little lighter, cooler than Desert Skin.

Can I use Cadian Fleshtone instead of Desert Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Cadian Fleshtone is a little lighter, cooler than Desert Skin.

Can I use Desert Skin instead of Cadian Fleshtone?

The same difference applies the other way round: Desert Skin is a little darker, 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.