ΔE 10.2, fair: the same colour family, but not a straight swap. Ardennes Green is a little lighter, more saturated, cooler than Venom Wyrm.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Ardennes Green is a little lighter, more saturated, cooler than Venom Wyrm.
The same difference applies the other way round: Venom Wyrm is a little darker, 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 Venom Wyrm on the colour wheel See Ardennes Green on the colour wheel
All matches: Venom Wyrm equivalents · Ardennes Green equivalents