Artic Blue vs Sunrise Blue

How close are they?

ΔE 18.4, loose: different enough that you should pick on purpose. Sunrise Blue is a little lighter, much more saturated than Artic Blue.

Can I use Sunrise Blue instead of Artic Blue?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Sunrise Blue is a little lighter, much more saturated than Artic Blue.

Can I use Artic Blue instead of Sunrise Blue?

The same difference applies the other way round: Artic Blue is a little darker, much more muted.

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.