ΔE 11.4, fair: the same colour family, but not a straight swap. Military Green is a little lighter, more muted than Olivegrove Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Military Green is a little lighter, more muted than Olivegrove Green.
The same difference applies the other way round: Olivegrove Green is a little darker, 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 Olivegrove Green on the colour wheel See Military Green on the colour wheel
All matches: Olivegrove Green equivalents · Military Green equivalents