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