Sparkling Amethyst vs Sparkling Blue

How close are they?

ΔE 13.3, fair: the same colour family, but not a straight swap. Sparkling Blue is a little darker, cooler than Sparkling Amethyst.

Can I use Sparkling Blue instead of Sparkling Amethyst?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Sparkling Blue is a little darker, cooler than Sparkling Amethyst.

Can I use Sparkling Amethyst instead of Sparkling Blue?

The same difference applies the other way round: Sparkling Amethyst is a little lighter, 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.