ΔE 9.9, close: similar, with a visible difference side by side. German Yellow is a little darker than Sun Bleach Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). German Yellow is a little darker than Sun Bleach Yellow.
The same difference applies the other way round: Sun Bleach Yellow is a little lighter.
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 Sun Bleach Yellow on the colour wheel See German Yellow on the colour wheel
All matches: Sun Bleach Yellow equivalents · German Yellow equivalents