Worn Stone vs Bright Neutral Grey

How close are they?

ΔE 8.0, close: similar, with a visible difference side by side. Bright Neutral Grey is a little lighter, more muted than Worn Stone.

Can I use Bright Neutral Grey instead of Worn Stone?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bright Neutral Grey is a little lighter, more muted than Worn Stone.

Can I use Worn Stone instead of Bright Neutral Grey?

The same difference applies the other way round: Worn 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.