ΔE 24.8, loose: different enough that you should pick on purpose. Squid Pink is a little darker, much more saturated, cooler than Gum Pink.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Squid Pink is a little darker, much more saturated, cooler than Gum Pink.
The same difference applies the other way round: Gum Pink is a little lighter, much more muted, 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 Gum Pink on the colour wheel See Squid Pink on the colour wheel
All matches: Gum Pink equivalents · Squid Pink equivalents