ΔE 34.0, loose: different enough that you should pick on purpose. Magenta is noticeably darker, much more saturated, warmer than Fulgrim Pink.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 34). Magenta is noticeably darker, much more saturated, warmer than Fulgrim Pink.
The same difference applies the other way round: Fulgrim Pink is noticeably 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 Fulgrim Pink on the colour wheel See Magenta on the colour wheel
All matches: Fulgrim Pink equivalents · Magenta equivalents