IJN Green Nakajima vs Flat Green

How close are they?

ΔE 10.2, fair: the same colour family, but not a straight swap. Flat Green is a little lighter, warmer than IJN Green Nakajima.

Can I use Flat Green instead of IJN Green Nakajima?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Flat Green is a little lighter, warmer than IJN Green Nakajima.

Can I use IJN Green Nakajima instead of Flat Green?

The same difference applies the other way round: IJN Green Nakajima is a little darker, 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.