IJN M3 (N) Nakajima Interior Green vs Helmet Brown

How close are they?

ΔE 4.9, very close: most people won’t see a difference side by side. Helmet Brown is cooler than IJN M3 (N) Nakajima Interior Green.

Can I use Helmet Brown instead of IJN M3 (N) Nakajima Interior Green?

Yes, for most jobs. Very close match (ΔE 5). Helmet Brown is cooler than IJN M3 (N) Nakajima Interior Green.

Can I use IJN M3 (N) Nakajima Interior Green instead of Helmet Brown?

The same difference applies the other way round: IJN M3 (N) Nakajima Interior Green is 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.