ΔE 9.9, close: similar, with a visible difference side by side. Dark Green Nakajima is a little darker, more muted than Exile Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Dark Green Nakajima is a little darker, more muted than Exile Green.
The same difference applies the other way round: Exile 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 Exile Green on the colour wheel See Dark Green Nakajima on the colour wheel
All matches: Exile Green equivalents · Dark Green Nakajima equivalents