ΔE 22.9, loose: different enough that you should pick on purpose. Sky Blue is noticeably lighter, more muted than Sky Blue.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Sky Blue is noticeably lighter, more muted than Sky Blue.
The same difference applies the other way round: Sky Blue is noticeably darker, more saturated.
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 Sky Blue on the colour wheel See Sky Blue on the colour wheel
All matches: Sky Blue equivalents · Sky Blue equivalents