ΔE 22.1, loose: different enough that you should pick on purpose. Fluorescent Magenta is a little lighter, cooler than Pink Fluor.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Fluorescent Magenta is a little lighter, cooler than Pink Fluor.
The same difference applies the other way round: Pink Fluor is a little darker, warmer.
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 Fluor on the colour wheel See Fluorescent Magenta on the colour wheel
All matches: Pink Fluor equivalents · Fluorescent Magenta equivalents