ΔE 10.3, fair: the same colour family, but not a straight swap. Uniform Grey is a little lighter than Neutral Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Uniform Grey is a little lighter than Neutral Grey.
The same difference applies the other way round: Neutral Grey is a little darker.
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.
See Neutral Grey on the colour wheel See Uniform Grey on the colour wheel
All matches: Neutral Grey equivalents · Uniform Grey equivalents