ΔE 13.4, fair: the same colour family, but not a straight swap. Pestilence Green is a little darker, more muted, cooler than Hexos Palesun.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Pestilence Green is a little darker, more muted, cooler than Hexos Palesun.
The same difference applies the other way round: Hexos Palesun is a little lighter, more saturated, 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 Hexos Palesun on the colour wheel See Pestilence Green on the colour wheel
All matches: Hexos Palesun equivalents · Pestilence Green equivalents