RAF Cockpit Grey-Green vs Desert Olive Green

How close are they?

ΔE 11.4, fair: the same colour family, but not a straight swap. Desert Olive Green is noticeably lighter, warmer than RAF Cockpit Grey-Green.

Can I use Desert Olive Green instead of RAF Cockpit Grey-Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Desert Olive Green is noticeably lighter, warmer than RAF Cockpit Grey-Green.

Can I use RAF Cockpit Grey-Green instead of Desert Olive Green?

The same difference applies the other way round: RAF Cockpit Grey-Green is noticeably darker, cooler.

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.