ΔE 6.0, very close: most people won’t see a difference side by side. Park Green Flat is a little lighter, more muted, cooler than IJN Nakajima Dark Green.
Yes, for most jobs. Very close match (ΔE 6). Park Green Flat is a little lighter, more muted, cooler than IJN Nakajima Dark Green.
The same difference applies the other way round: IJN Nakajima Dark 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 Nakajima Dark Green on the colour wheel See Park Green Flat on the colour wheel
All matches: IJN Nakajima Dark Green equivalents · Park Green Flat equivalents