ΔE 20.9, loose: different enough that you should pick on purpose. Squid Pink is a little lighter, cooler than Hot Pink.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Squid Pink is a little lighter, cooler than Hot Pink.
The same difference applies the other way round: Hot Pink 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 Hot Pink on the colour wheel See Squid Pink on the colour wheel
All matches: Hot Pink equivalents · Squid Pink equivalents