ΔE 14.3, fair: the same colour family, but not a straight swap. German Yellow is noticeably darker, more saturated than Lilith Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). German Yellow is noticeably darker, more saturated than Lilith Yellow.
The same difference applies the other way round: Lilith Yellow is noticeably lighter, 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 Lilith Yellow on the colour wheel See German Yellow on the colour wheel
All matches: Lilith Yellow equivalents · German Yellow equivalents