Denison Tan Base vs Catachan Flesh

How close are they?

ΔE 8.6, close: similar, with a visible difference side by side. Catachan Flesh is more saturated, warmer than Denison Tan Base.

Can I use Catachan Flesh instead of Denison Tan Base?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Catachan Flesh is more saturated, warmer than Denison Tan Base.

Can I use Denison Tan Base instead of Catachan Flesh?

The same difference applies the other way round: Denison Tan Base is more muted, 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.