ΔE 13.3, fair: the same colour family, but not a straight swap. Toxic Yellow is more saturated, warmer than Pestilence Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Toxic Yellow is more saturated, warmer than Pestilence Green.
The same difference applies the other way round: Pestilence Green is more muted, 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 Pestilence Green on the colour wheel See Toxic Yellow on the colour wheel
All matches: Pestilence Green equivalents · Toxic Yellow equivalents