ΔE 5.7, very close: most people won’t see a difference side by side. Flat Green is a little lighter, cooler than Waffen Green.
Yes, for most jobs. Very close match (ΔE 6). Flat Green is a little lighter, cooler than Waffen Green.
The same difference applies the other way round: Waffen Green is a little darker, 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.
See Waffen Green on the colour wheel See Flat Green on the colour wheel
All matches: Waffen Green equivalents · Flat Green equivalents