ΔE 10.7, fair: the same colour family, but not a straight swap. Plague Toad Venom is more muted, warmer than Gauss Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Plague Toad Venom is more muted, warmer than Gauss Green.
The same difference applies the other way round: Gauss Green is more saturated, 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 Gauss Green on the colour wheel See Plague Toad Venom on the colour wheel
All matches: Gauss Green equivalents · Plague Toad Venom equivalents