ΔE 9.2, close: similar, with a visible difference side by side. Catachan Flesh is a little darker, warmer than Cork.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Catachan Flesh is a little darker, warmer than Cork.
The same difference applies the other way round: Cork is a little lighter, 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.
See Cork on the colour wheel See Catachan Flesh on the colour wheel
All matches: Cork equivalents · Catachan Flesh equivalents