Blue Sand vs Celestial Violet

How close are they?

ΔE 25.1, loose: different enough that you should pick on purpose. Celestial Violet is noticeably darker, much more saturated, warmer than Blue Sand.

Can I use Celestial Violet instead of Blue Sand?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Celestial Violet is noticeably darker, much more saturated, warmer than Blue Sand.

Can I use Blue Sand instead of Celestial Violet?

The same difference applies the other way round: Blue Sand is noticeably lighter, much more muted, 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.