Ancient Stone vs Polished Bone

How close are they?

ΔE 5.7, very close: most people won’t see a difference side by side. Polished Bone is a little lighter, more muted than Ancient Stone.

Can I use Polished Bone instead of Ancient Stone?

Yes, for most jobs. Very close match (ΔE 6). Polished Bone is a little lighter, more muted than Ancient Stone.

Can I use Ancient Stone instead of Polished Bone?

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