Talos Bronze vs Dark Copper

How close are they?

ΔE 23.2, loose: different enough that you should pick on purpose. Dark Copper is a little lighter, much more muted, warmer than Talos Bronze.

Can I use Dark Copper instead of Talos Bronze?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Dark Copper is a little lighter, much more muted, warmer than Talos Bronze.

Can I use Talos Bronze instead of Dark Copper?

The same difference applies the other way round: Talos Bronze is a little darker, much more saturated, 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.