Swamp Green vs Extra Dark Green

How close are they?

ΔE 3.7, very close: most people won’t see a difference side by side. Extra Dark Green is a little darker, cooler than Swamp Green.

Can I use Extra Dark Green instead of Swamp Green?

Yes, for most jobs. Very close match (ΔE 4). Extra Dark Green is a little darker, cooler than Swamp Green.

Can I use Swamp Green instead of Extra Dark Green?

The same difference applies the other way round: Swamp Green is a little lighter, 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.