Tundra Taupe vs IJA Dark Green

How close are they?

ΔE 8.2, close: similar, with a visible difference side by side. IJA Dark Green is a little darker, more muted than Tundra Taupe.

Can I use IJA Dark Green instead of Tundra Taupe?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). IJA Dark Green is a little darker, more muted than Tundra Taupe.

Can I use Tundra Taupe instead of IJA Dark Green?

The same difference applies the other way round: Tundra Taupe is a little lighter, 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.