ΔE 6.7, close: similar, with a visible difference side by side. Hawkshroud Yellow is more muted than Moonbeam Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Hawkshroud Yellow is more muted than Moonbeam Yellow.
The same difference applies the other way round: Moonbeam Yellow is 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.
See Moonbeam Yellow on the colour wheel See Hawkshroud Yellow on the colour wheel
All matches: Moonbeam Yellow equivalents · Hawkshroud Yellow equivalents