Hawkshroud Yellow vs Medium Yellow

How close are they?

ΔE 6.1, close: similar, with a visible difference side by side. Medium Yellow is more saturated than Hawkshroud Yellow.

Can I use Medium Yellow instead of Hawkshroud Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Medium Yellow is more saturated than Hawkshroud Yellow.

Can I use Hawkshroud Yellow instead of Medium Yellow?

The same difference applies the other way round: Hawkshroud Yellow 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.