Regal Blue vs Caledor Sky

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Caledor Sky is a little lighter than Regal Blue.

✓ Army Painter Fanatic conversion chart lists these two as equivalents.

Can I use Caledor Sky instead of Regal Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Caledor Sky is a little lighter than Regal Blue.

Can I use Regal Blue instead of Caledor Sky?

The same difference applies the other way round: Regal Blue is a little darker.

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.