Emerald Getaway vs Amber Green

How close are they?

ΔE 24.3, loose: different enough that you should pick on purpose. Amber Green is noticeably darker, warmer than Emerald Getaway.

Can I use Amber Green instead of Emerald Getaway?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Amber Green is noticeably darker, warmer than Emerald Getaway.

Can I use Emerald Getaway instead of Amber Green?

The same difference applies the other way round: Emerald Getaway is noticeably lighter, 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.