Cartridge Family vs Ancient Copper

How close are they?

ΔE 14.8, fair: the same colour family, but not a straight swap. Ancient Copper is noticeably lighter than Cartridge Family.

Can I use Ancient Copper instead of Cartridge Family?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Ancient Copper is noticeably lighter than Cartridge Family.

Can I use Cartridge Family instead of Ancient Copper?

The same difference applies the other way round: Cartridge Family is noticeably darker.

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.