ΔE 11.5, fair: the same colour family, but not a straight swap. Donkey Grey is a little darker, more saturated than Company Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Donkey Grey is a little darker, more saturated than Company Grey.
The same difference applies the other way round: Company Grey is a little lighter, 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.
See Company Grey on the colour wheel See Donkey Grey on the colour wheel
All matches: Company Grey equivalents · Donkey Grey equivalents