ΔE 22.5, loose: different enough that you should pick on purpose. Goblin Green is noticeably darker, cooler than Luminous Green.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Goblin Green is noticeably darker, cooler than Luminous Green.
The same difference applies the other way round: Luminous Green is noticeably lighter, 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 Luminous Green on the colour wheel See Goblin Green on the colour wheel
All matches: Luminous Green equivalents · Goblin Green equivalents