Rust Ochre vs Darkoath Flesh

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Darkoath Flesh is cooler than Rust Ochre. They are different kinds of paint: AMMO by Mig Rust Ochre is an opaque base/layer paint and Citadel Darkoath Flesh is a one-coat contrast-style paint, so they won’t behave the same on the model even where the colour is close.

Can I use Darkoath Flesh instead of Rust Ochre?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Darkoath Flesh is cooler than Rust Ochre. They are different kinds of paint.

Can I use Rust Ochre instead of Darkoath Flesh?

The same difference applies the other way round: Rust Ochre is 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.