ΔE 19.8, loose: different enough that you should pick on purpose. Commando Green is noticeably lighter, more saturated than Black.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Commando Green is noticeably lighter, more saturated than Black.
The same difference applies the other way round: Black is noticeably 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 Black on the colour wheel See Commando Green on the colour wheel
All matches: Black equivalents · Commando Green equivalents