ΔE 6.4, close: similar, with a visible difference side by side. Tundra Taupe is more saturated, cooler than ANA 613 Olive Drab.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Tundra Taupe is more saturated, cooler than ANA 613 Olive Drab.
The same difference applies the other way round: ANA 613 Olive Drab is 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 ANA 613 Olive Drab on the colour wheel See Tundra Taupe on the colour wheel
All matches: ANA 613 Olive Drab equivalents · Tundra Taupe equivalents