Death Metal vs Amber Green

How close are they?

ΔE 23.5, loose: different enough that you should pick on purpose. Amber Green is a little lighter, much more saturated than Death Metal.

Can I use Amber Green instead of Death Metal?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Amber Green is a little lighter, much more saturated than Death Metal.

Can I use Death Metal instead of Amber Green?

The same difference applies the other way round: Death Metal is a little darker, much more muted.

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.