ΔE 8.6, close: similar, with a visible difference side by side. Luftwaffe Green is a little darker, more muted than AII Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Luftwaffe Green is a little darker, more muted than AII Green.
The same difference applies the other way round: AII Green 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.
See AII Green on the colour wheel See Luftwaffe Green on the colour wheel
All matches: AII Green equivalents · Luftwaffe Green equivalents