ΔE 8.7, close: similar, with a visible difference side by side. Diarylide Yellow is a little lighter than Moonbeam Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Diarylide Yellow is a little lighter than Moonbeam Yellow.
The same difference applies the other way round: Moonbeam Yellow 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.
See Moonbeam Yellow on the colour wheel See Diarylide Yellow on the colour wheel
All matches: Moonbeam Yellow equivalents · Diarylide Yellow equivalents