Worn Stone vs Bare Bone

How close are they?

ΔE 9.0, close: similar, with a visible difference side by side. Bare Bone is a little lighter, more saturated than Worn Stone.

Can I use Bare Bone instead of Worn Stone?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Bare Bone is a little lighter, more saturated than Worn Stone.

Can I use Worn Stone instead of Bare Bone?

The same difference applies the other way round: Worn Stone is a little darker, more muted.

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.