Purple Swarm vs Luxion Purple

How close are they?

ΔE 15.2, loose: different enough that you should pick on purpose. Luxion Purple is a little lighter, more muted than Purple Swarm.

Can I use Luxion Purple instead of Purple Swarm?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Luxion Purple is a little lighter, more muted than Purple Swarm.

Can I use Purple Swarm instead of Luxion Purple?

The same difference applies the other way round: Purple Swarm is a little darker, 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.