Hexos Palesun vs Hydromiel Yellow

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Hydromiel Yellow is more saturated than Hexos Palesun. They are different kinds of paint: Citadel Hexos Palesun is an opaque base/layer paint and Green Stuff World Hydromiel Yellow is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.

Can I use Hydromiel Yellow instead of Hexos Palesun?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Hydromiel Yellow is more saturated than Hexos Palesun. They are different kinds of paint.

Can I use Hexos Palesun instead of Hydromiel Yellow?

The same difference applies the other way round: Hexos Palesun is 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.