Steampunk Copper vs Arcane Gold

How close are they?

ΔE 12.7, fair: the same colour family, but not a straight swap. Arcane Gold is more saturated, cooler than Steampunk Copper.

Can I use Arcane Gold instead of Steampunk Copper?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Arcane Gold is more saturated, cooler than Steampunk Copper.

Can I use Steampunk Copper instead of Arcane Gold?

The same difference applies the other way round: Steampunk Copper is 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.