Laser Pink vs Warlock Purple

How close are they?

ΔE 20.4, loose: different enough that you should pick on purpose. Warlock Purple is noticeably darker, more muted, warmer than Laser Pink.

Can I use Warlock Purple instead of Laser Pink?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Warlock Purple is noticeably darker, more muted, warmer than Laser Pink.

Can I use Laser Pink instead of Warlock Purple?

The same difference applies the other way round: Laser Pink is noticeably lighter, more saturated, 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.