Stone Green vs Grotesque Green

How close are they?

ΔE 11.0, fair: the same colour family, but not a straight swap. Grotesque Green is a little lighter, more muted than Stone Green.

Can I use Grotesque Green instead of Stone Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Grotesque Green is a little lighter, more muted than Stone Green.

Can I use Stone Green instead of Grotesque Green?

The same difference applies the other way round: Stone Green 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.