ΔE 14.7, fair: the same colour family, but not a straight swap. Military Green is a little lighter, much more saturated than Abaddon Black.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Military Green is a little lighter, much more saturated than Abaddon Black.
The same difference applies the other way round: Abaddon Black is a little darker, much 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 Abaddon Black on the colour wheel See Military Green on the colour wheel
All matches: Abaddon Black equivalents · Military Green equivalents