ΔE 12.4, fair: the same colour family, but not a straight swap. Idrian Flesh is noticeably darker than Deathclaw Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Idrian Flesh is noticeably darker than Deathclaw Brown.
The same difference applies the other way round: Deathclaw Brown is noticeably lighter.
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 Deathclaw Brown on the colour wheel See Idrian Flesh on the colour wheel
All matches: Deathclaw Brown equivalents · Idrian Flesh equivalents