ΔE 20.9, loose: different enough that you should pick on purpose. Lollipop Magenta is a little darker, much more saturated, warmer than Pink Horror.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Lollipop Magenta is a little darker, much more saturated, warmer than Pink Horror.
The same difference applies the other way round: Pink Horror is a little lighter, much more muted, 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.
See Pink Horror on the colour wheel See Lollipop Magenta on the colour wheel
All matches: Pink Horror equivalents · Lollipop Magenta equivalents