ΔE 14.6, fair: the same colour family, but not a straight swap. Battle Dress Green is a little darker, more saturated, warmer than Light DAK Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Battle Dress Green is a little darker, more saturated, warmer than Light DAK Green.
The same difference applies the other way round: Light 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 Light DAK Green on the colour wheel See Battle Dress Green on the colour wheel
All matches: Light DAK Green equivalents · Battle Dress Green equivalents