Dark Emerald vs Grave Robber

How close are they?

ΔE 12.9, fair: the same colour family, but not a straight swap. Grave Robber is a little lighter, more muted than Dark Emerald.

Can I use Grave Robber instead of Dark Emerald?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Grave Robber is a little lighter, more muted than Dark Emerald.

Can I use Dark Emerald instead of Grave Robber?

The same difference applies the other way round: Dark Emerald 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.