Ash Grey vs Donkey Grey

How close are they?

ΔE 14.9, fair: the same colour family, but not a straight swap. Donkey Grey is noticeably lighter, more saturated than Ash Grey.

Can I use Donkey Grey instead of Ash Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Donkey Grey is noticeably lighter, more saturated than Ash Grey.

Can I use Ash Grey instead of Donkey Grey?

The same difference applies the other way round: Ash Grey is noticeably darker, 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.