ΔE 6.5, close: similar, with a visible difference side by side. Foul Green is warmer than Magic Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Foul Green is warmer than Magic Green.
The same difference applies the other way round: Magic Green is 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.
See Magic Green on the colour wheel See Foul Green on the colour wheel
All matches: Magic Green equivalents · Foul Green equivalents