ΔE 14.4, fair: the same colour family, but not a straight swap. Bronzegrun is a little lighter, much more muted, cooler than Dark Emerald.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Bronzegrun is a little lighter, much more muted, cooler than Dark Emerald.
The same difference applies the other way round: Dark Emerald is a little darker, much more saturated, warmer.
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 Dark Emerald on the colour wheel See Bronzegrun on the colour wheel
All matches: Dark Emerald equivalents · Bronzegrun equivalents