True Brass vs Peridot Alchemy

How close are they?

ΔE 15.5, loose: different enough that you should pick on purpose. Peridot Alchemy is more muted, cooler than True Brass.

Can I use Peridot Alchemy instead of True Brass?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Peridot Alchemy is more muted, cooler than True Brass.

Can I use True Brass instead of Peridot Alchemy?

The same difference applies the other way round: True Brass is more saturated, 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.