ΔE 9.4, close: similar, with a visible difference side by side. Toxic Yellow is a little lighter than Medium German Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Toxic Yellow is a little lighter than Medium German Yellow.
The same difference applies the other way round: Medium German 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 Medium German Yellow on the colour wheel See Toxic Yellow on the colour wheel
All matches: Medium German Yellow equivalents · Toxic Yellow equivalents