ΔE 14.7, fair: the same colour family, but not a straight swap. Plague Toad Venom is a little lighter, more muted, warmer than Eternal Hunt.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Plague Toad Venom is a little lighter, more muted, warmer than Eternal Hunt.
The same difference applies the other way round: Eternal Hunt is a little darker, 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 Eternal Hunt on the colour wheel See Plague Toad Venom on the colour wheel
All matches: Eternal Hunt equivalents · Plague Toad Venom equivalents