Leviadon Blue vs Dusty Blue

How close are they?

ΔE 22.8, loose: different enough that you should pick on purpose. Dusty Blue is a little darker, much more muted, cooler than Leviadon Blue.

Can I use Dusty Blue instead of Leviadon Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Dusty Blue is a little darker, much more muted, cooler than Leviadon Blue.

Can I use Leviadon Blue instead of Dusty Blue?

The same difference applies the other way round: Leviadon Blue is a little lighter, much more saturated, 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.