ΔE 6.5, close: similar, with a visible difference side by side. AMT-4 Cam. Green is a little lighter, more muted, cooler than IJN M3 (N) Nakajima Interior Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). AMT-4 Cam. Green is a little lighter, more muted, cooler than IJN M3 (N) Nakajima Interior Green.
The same difference applies the other way round: IJN M3 (N) Nakajima Interior Green is a little darker, more saturated, 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 IJN M3 (N) Nakajima Interior Green on the colour wheel See AMT-4 Cam. Green on the colour wheel
All matches: IJN M3 (N) Nakajima Interior Green equivalents · AMT-4 Cam. Green equivalents