ΔE 21.6, loose: different enough that you should pick on purpose. Squid Pink is noticeably lighter, more saturated, cooler than Emperor's Children.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 22). Squid Pink is noticeably lighter, more saturated, cooler than Emperor's Children.
The same difference applies the other way round: Emperor's Children is noticeably darker, 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 Emperor's Children on the colour wheel See Squid Pink on the colour wheel
All matches: Emperor's Children equivalents · Squid Pink equivalents