ΔE 5.3, very close: most people won’t see a difference side by side. Diarylide Yellow is more saturated than Dorn Yellow. They are different kinds of paint: Citadel Dorn Yellow is an opaque base/layer paint and Golden Diarylide Yellow is an ink, glaze or transparent paint, so they won’t behave the same on the model even where the colour is close.
Yes, for most jobs. Very close match (ΔE 5). Diarylide Yellow is more saturated than Dorn Yellow. They are different kinds of paint.
The same difference applies the other way round: Dorn 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.
See Dorn Yellow on the colour wheel See Diarylide Yellow on the colour wheel
All matches: Dorn Yellow equivalents · Diarylide Yellow equivalents