Olive Green vs Luftwaffe Green

How close are they?

ΔE 8.7, close: similar, with a visible difference side by side. Luftwaffe Green is more saturated, cooler than Olive Green.

Can I use Luftwaffe Green instead of Olive Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Luftwaffe Green is more saturated, cooler than Olive Green.

Can I use Olive Green instead of Luftwaffe Green?

The same difference applies the other way round: Olive Green 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.