True Brass vs Carapace Green

How close are they?

ΔE 36.7, loose: different enough that you should pick on purpose. Carapace Green is a little lighter, much more saturated, cooler than True Brass.

Can I use Carapace Green instead of True Brass?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 37). Carapace Green is a little lighter, much more saturated, cooler than True Brass.

Can I use True Brass instead of Carapace Green?

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