ΔE 15.3, loose: different enough that you should pick on purpose. Earth is a little darker, warmer than Panzer Yellow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Earth is a little darker, warmer than Panzer Yellow.
The same difference applies the other way round: Panzer Yellow is a little lighter, 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 Panzer Yellow on the colour wheel See Earth on the colour wheel
All matches: Panzer Yellow equivalents · Earth equivalents