ΔE 2.8, very close: most people won’t see a difference side by side. Medium Grey Blue is warmer than IJN Gray Green Nakajima.
Yes, for most jobs. Very close match (ΔE 3). Medium Grey Blue is warmer than IJN Gray Green Nakajima.
The same difference applies the other way round: IJN Gray Green Nakajima 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 IJN Gray Green Nakajima on the colour wheel See Medium Grey Blue on the colour wheel
All matches: IJN Gray Green Nakajima equivalents · Medium Grey Blue equivalents