Violet Skies vs Squid Pink

How close are they?

ΔE 18.0, loose: different enough that you should pick on purpose. Squid Pink is noticeably lighter, warmer than Violet Skies.

Can I use Squid Pink instead of Violet Skies?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Squid Pink is noticeably lighter, warmer than Violet Skies.

Can I use Violet Skies instead of Squid Pink?

The same difference applies the other way round: Violet Skies is noticeably darker, 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.