ΔE 9.2, close: similar, with a visible difference side by side. Ionrach Skin is a little lighter, warmer than RAL 7028 Dunkelgelb Ausgabe 1944.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Ionrach Skin is a little lighter, warmer than RAL 7028 Dunkelgelb Ausgabe 1944.
The same difference applies the other way round: RAL 7028 Dunkelgelb Ausgabe 1944 is a little darker, cooler.
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 RAL 7028 Dunkelgelb Ausgabe 1944 on the colour wheel See Ionrach Skin on the colour wheel
All matches: RAL 7028 Dunkelgelb Ausgabe 1944 equivalents · Ionrach Skin equivalents