ΔE 13.5, fair: the same colour family, but not a straight swap. Hot Pink is a little darker, more saturated, warmer than Fulgrim Pink.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Hot Pink is a little darker, more saturated, warmer than Fulgrim Pink.
The same difference applies the other way round: Fulgrim Pink is a little lighter, 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 Hot Pink on the colour wheel
All matches: Fulgrim Pink equivalents · Hot Pink equivalents