Enrapturess Dusk vs Royal Purple

How close are they?

ΔE 8.2, close: similar, with a visible difference side by side. Royal Purple is more muted than Enrapturess Dusk.

Can I use Royal Purple instead of Enrapturess Dusk?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Royal Purple is more muted than Enrapturess Dusk.

Can I use Enrapturess Dusk instead of Royal Purple?

The same difference applies the other way round: Enrapturess Dusk is 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.