Catachan Flesh vs Idrian Flesh

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Idrian Flesh is more saturated, cooler than Catachan Flesh.

Can I use Idrian Flesh instead of Catachan Flesh?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Idrian Flesh is more saturated, cooler than Catachan Flesh.

Can I use Catachan Flesh instead of Idrian Flesh?

The same difference applies the other way round: Catachan Flesh is more muted, 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.