Molten Bronze vs Ancient Copper

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Ancient Copper is a little lighter, more saturated than Molten Bronze.

Can I use Ancient Copper instead of Molten Bronze?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Ancient Copper is a little lighter, more saturated than Molten Bronze.

Can I use Molten Bronze instead of Ancient Copper?

The same difference applies the other way round: Molten Bronze is a little darker, 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.