Green Stone vs Wicked Purple

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Wicked Purple is a little lighter than Green Stone.

Can I use Wicked Purple instead of Green Stone?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Wicked Purple is a little lighter than Green Stone.

Can I use Green Stone instead of Wicked Purple?

The same difference applies the other way round: Green Stone is a little darker.

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.