Uniform Brown vs Grey Brown

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Grey Brown is a little darker, more muted than Uniform Brown.

Can I use Grey Brown instead of Uniform Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Grey Brown is a little darker, more muted than Uniform Brown.

Can I use Uniform Brown instead of Grey Brown?

The same difference applies the other way round: Uniform Brown is a little lighter, 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.