RAF Cockpit Grey-Green vs Dark Imperial Khaki

How close are they?

ΔE 3.8, very close: most people won’t see a difference side by side. Dark Imperial Khaki is cooler than RAF Cockpit Grey-Green.

Can I use Dark Imperial Khaki instead of RAF Cockpit Grey-Green?

Yes, for most jobs. Very close match (ΔE 4). Dark Imperial Khaki is cooler than RAF Cockpit Grey-Green.

Can I use RAF Cockpit Grey-Green instead of Dark Imperial Khaki?

The same difference applies the other way round: RAF Cockpit Grey-Green is warmer.

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.