ΔE 21.4, loose: different enough that you should pick on purpose. Grass Green is noticeably darker, more muted than Elemental Bolt.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Grass Green is noticeably darker, more muted than Elemental Bolt.
The same difference applies the other way round: Elemental Bolt is noticeably lighter, more saturated.
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 Elemental Bolt on the colour wheel See Grass Green on the colour wheel
All matches: Elemental Bolt equivalents · Grass Green equivalents