ΔE 34.8, loose: different enough that you should pick on purpose. Imperial Purple is noticeably darker, more saturated, cooler than Cyber Pink.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 35). Imperial Purple is noticeably darker, more saturated, cooler than Cyber Pink.
The same difference applies the other way round: Cyber Pink is noticeably lighter, 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 Cyber Pink on the colour wheel See Imperial Purple on the colour wheel
All matches: Cyber Pink equivalents · Imperial Purple equivalents