ΔE 20.2, loose: different enough that you should pick on purpose. Snake Green is much more muted, cooler than Green Ghost.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Snake Green is much more muted, cooler than Green Ghost.
The same difference applies the other way round: Green Ghost is much more saturated, 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 Green Ghost on the colour wheel See Snake Green on the colour wheel
All matches: Green Ghost equivalents · Snake Green equivalents