ΔE 3.8, very close: most people won’t see a difference side by side. Russian Unif. WWII is a little darker, cooler than Venom Wyrm.
Yes, for most jobs. Very close match (ΔE 4). Russian Unif. WWII is a little darker, cooler than Venom Wyrm.
The same difference applies the other way round: Venom Wyrm is a little lighter, 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 Russian Unif. WWII on the colour wheel
All matches: Venom Wyrm equivalents · Russian Unif. WWII equivalents