ΔE 6.6, close: similar, with a visible difference side by side. Bestial Green is a little lighter, cooler than Venom Wyrm.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bestial Green is a little lighter, cooler than Venom Wyrm.
The same difference applies the other way round: Venom Wyrm is a little darker, 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 Bestial Green on the colour wheel
All matches: Venom Wyrm equivalents · Bestial Green equivalents