ΔE 29.2, loose: different enough that you should pick on purpose. Fresh Blood is a little lighter, more muted, warmer than Pink Fluor.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 29). Fresh Blood is a little lighter, more muted, warmer than Pink Fluor.
The same difference applies the other way round: Pink Fluor is a little darker, 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.
See Pink Fluor on the colour wheel See Fresh Blood on the colour wheel
All matches: Pink Fluor equivalents · Fresh Blood equivalents