Cobalt Alchemy vs Starship Steel

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Starship Steel is a little darker, more muted, warmer than Cobalt Alchemy.

Can I use Starship Steel instead of Cobalt Alchemy?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Starship Steel is a little darker, more muted, warmer than Cobalt Alchemy.

Can I use Cobalt Alchemy instead of Starship Steel?

The same difference applies the other way round: Cobalt Alchemy is a little lighter, 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.