ΔE 8.9, close: similar, with a visible difference side by side. Military Green is a little lighter, more saturated than Bone Black.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Military Green is a little lighter, more saturated than Bone Black.
The same difference applies the other way round: Bone Black is a little darker, more muted.
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 Bone Black on the colour wheel See Military Green on the colour wheel
All matches: Bone Black equivalents · Military Green equivalents