ΔE 13.4, fair: the same colour family, but not a straight swap. Yellow Green is a little lighter, cooler than Lemon Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Yellow Green is a little lighter, cooler than Lemon Yellow.
The same difference applies the other way round: Lemon Yellow is a little darker, warmer.
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 Lemon Yellow on the colour wheel See Yellow Green on the colour wheel
All matches: Lemon Yellow equivalents · Yellow Green equivalents