ΔE 23.7, loose: different enough that you should pick on purpose. Amber Green is noticeably darker, cooler than Electrum.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Amber Green is noticeably darker, cooler than Electrum.
The same difference applies the other way round: Electrum 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 Electrum on the colour wheel See Amber Green on the colour wheel
All matches: Electrum equivalents · Amber Green equivalents