Bronzegrun vs Amber Green

How close are they?

ΔE 35.9, loose: different enough that you should pick on purpose. Amber Green is noticeably lighter, much more saturated, warmer than Bronzegrun.

Can I use Amber Green instead of Bronzegrun?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 36). Amber Green is noticeably lighter, much more saturated, warmer than Bronzegrun.

Can I use Bronzegrun instead of Amber Green?

The same difference applies the other way round: Bronzegrun is noticeably darker, much more muted, 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.