ΔE 14.3, fair: the same colour family, but not a straight swap. Ordic Olive is a little darker, more saturated, cooler than Pestilent Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ordic Olive is a little darker, more saturated, cooler than Pestilent Flesh.
The same difference applies the other way round: Pestilent Flesh is a little lighter, 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.
See Pestilent Flesh on the colour wheel See Ordic Olive on the colour wheel
All matches: Pestilent Flesh equivalents · Ordic Olive equivalents