ΔE 6.3, close: similar, with a visible difference side by side. Dark Green RLM71 is warmer than NATO Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Dark Green RLM71 is warmer than NATO Green.
The same difference applies the other way round: NATO Green is cooler.
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 NATO Green on the colour wheel See Dark Green RLM71 on the colour wheel
All matches: NATO Green equivalents · Dark Green RLM71 equivalents