Sky Blue vs Hoeth Blue

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Hoeth Blue is a little darker, more muted than Sky Blue.

Can I use Hoeth Blue instead of Sky Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Hoeth Blue is a little darker, more muted than Sky Blue.

Can I use Sky Blue instead of Hoeth Blue?

The same difference applies the other way round: Sky Blue is a little lighter, 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.