Caledor Sky vs Sapphire Blue

How close are they?

ΔE 11.7, fair: the same colour family, but not a straight swap. Sapphire Blue is noticeably darker, warmer than Caledor Sky.

Can I use Sapphire Blue instead of Caledor Sky?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sapphire Blue is noticeably darker, warmer than Caledor Sky.

Can I use Caledor Sky instead of Sapphire Blue?

The same difference applies the other way round: Caledor Sky is noticeably lighter, 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.