Sand FS 33531 vs Worn Stone

How close are they?

ΔE 5.6, very close: most people won’t see a difference side by side. Worn Stone is more muted, cooler than Sand FS 33531.

Can I use Worn Stone instead of Sand FS 33531?

Yes, for most jobs. Very close match (ΔE 6). Worn Stone is more muted, cooler than Sand FS 33531.

Can I use Sand FS 33531 instead of Worn Stone?

The same difference applies the other way round: Sand FS 33531 is more saturated, warmer.

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.