ΔE 16.2, loose: different enough that you should pick on purpose. Black is noticeably darker, more muted than Military Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Black is noticeably darker, more muted than Military Green.
The same difference applies the other way round: Military Green is noticeably 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 Military Green on the colour wheel See Black on the colour wheel
All matches: Military Green equivalents · Black equivalents