ΔE 8.6, close: similar, with a visible difference side by side. Death World Forest is more saturated, cooler than Olivgrün.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Death World Forest is more saturated, cooler than Olivgrün.
The same difference applies the other way round: Olivgrün 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 Olivgrün on the colour wheel See Death World Forest on the colour wheel
All matches: Olivgrün equivalents · Death World Forest equivalents