ΔE 3.2, very close: most people won’t see a difference side by side. IJN Black Green is a little darker than Field Grey Shadow FS-34086.
Yes, for most jobs. Very close match (ΔE 3). IJN Black Green is a little darker than Field Grey Shadow FS-34086.
The same difference applies the other way round: Field Grey Shadow FS-34086 is a little lighter.
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 Field Grey Shadow FS-34086 on the colour wheel See IJN Black Green on the colour wheel
All matches: Field Grey Shadow FS-34086 equivalents · IJN Black Green equivalents