Iron Warriors vs Grave Robber

How close are they?

ΔE 11.7, fair: the same colour family, but not a straight swap. Grave Robber is more saturated than Iron Warriors.

Can I use Grave Robber instead of Iron Warriors?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Grave Robber is more saturated than Iron Warriors.

Can I use Iron Warriors instead of Grave Robber?

The same difference applies the other way round: Iron Warriors is more muted.

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.