ΔE 10.7, fair: the same colour family, but not a straight swap. Medium Drab is a little darker, more saturated, warmer than Dak Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Medium Drab is a little darker, more saturated, warmer than Dak Green.
The same difference applies the other way round: Dak Green is a little lighter, more muted, cooler.
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 Dak Green on the colour wheel See Medium Drab on the colour wheel
All matches: Dak Green equivalents · Medium Drab equivalents