Pale Rider vs Hexos Palesun

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Hexos Palesun is a little darker, more saturated than Pale Rider.

Can I use Hexos Palesun instead of Pale Rider?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Hexos Palesun is a little darker, more saturated than Pale Rider.

Can I use Pale Rider instead of Hexos Palesun?

The same difference applies the other way round: Pale Rider is a little lighter, 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.