ΔE 12.6, fair: the same colour family, but not a straight swap. Catachan Flesh is noticeably darker, more saturated than Earth.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Catachan Flesh is noticeably darker, more saturated than Earth.
The same difference applies the other way round: Earth is noticeably lighter, more muted.
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 Earth on the colour wheel See Catachan Flesh on the colour wheel
All matches: Earth equivalents · Catachan Flesh equivalents