ΔE 4.2, very close: most people won’t see a difference side by side. Ash Grey is a little darker than RAF Camouflage (Barley) Grey BS381C/626.
Yes, for most jobs. Very close match (ΔE 4). Ash Grey is a little darker than RAF Camouflage (Barley) Grey BS381C/626.
The same difference applies the other way round: RAF Camouflage (Barley) Grey BS381C/626 is a little lighter.
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 RAF Camouflage (Barley) Grey BS381C/626 on the colour wheel See Ash Grey on the colour wheel
All matches: RAF Camouflage (Barley) Grey BS381C/626 equivalents · Ash Grey equivalents