Stonewall Grey vs Uniform Grey

How close are they?

ΔE 13.0, fair: the same colour family, but not a straight swap. Uniform Grey is a little lighter, cooler than Stonewall Grey.

Can I use Uniform Grey instead of Stonewall Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Uniform Grey is a little lighter, cooler than Stonewall Grey.

Can I use Stonewall Grey instead of Uniform Grey?

The same difference applies the other way round: Stonewall Grey is a little darker, 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.