Royal Purple vs Amethyst Purple

How close are they?

ΔE 10.4, fair: the same colour family, but not a straight swap. Amethyst Purple is a little darker, more muted than Royal Purple.

Can I use Amethyst Purple instead of Royal Purple?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Amethyst Purple is a little darker, more muted than Royal Purple.

Can I use Royal Purple instead of Amethyst Purple?

The same difference applies the other way round: Royal Purple is a little lighter, more saturated.

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.