ΔE 18.6, loose: different enough that you should pick on purpose. Ray Gun Glow is noticeably lighter, cooler than Sotek Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Ray Gun Glow is noticeably lighter, cooler than Sotek Green.
The same difference applies the other way round: Sotek Green is noticeably 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 Sotek Green on the colour wheel See Ray Gun Glow on the colour wheel
All matches: Sotek Green equivalents · Ray Gun Glow equivalents