Ashen Stone vs Apothecary White

How close are they?

ΔE 14.6, fair: the same colour family, but not a straight swap. Apothecary White is noticeably lighter, more muted than Ashen Stone.

Can I use Apothecary White instead of Ashen Stone?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Apothecary White is noticeably lighter, more muted than Ashen Stone.

Can I use Ashen Stone instead of Apothecary White?

The same difference applies the other way round: Ashen Stone is noticeably 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.