ΔE 34.5, loose: different enough that you should pick on purpose. Snake Green is noticeably darker, much more muted, cooler than Hexwraith Flame.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 34). Snake Green is noticeably darker, much more muted, cooler than Hexwraith Flame.
The same difference applies the other way round: Hexwraith Flame is noticeably lighter, 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 Hexwraith Flame on the colour wheel See Snake Green on the colour wheel
All matches: Hexwraith Flame equivalents · Snake Green equivalents