ΔE 7.0, close: similar, with a visible difference side by side. USA Olive Drab is more muted than Venom Wyrm.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). USA Olive Drab is more muted than Venom Wyrm.
The same difference applies the other way round: Venom Wyrm is more saturated.
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 USA Olive Drab on the colour wheel
All matches: Venom Wyrm equivalents · USA Olive Drab equivalents