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