ΔE 13.2, fair: the same colour family, but not a straight swap. Lemon Yellow is cooler than Serpent Eye Yellow.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Lemon Yellow is cooler than Serpent Eye Yellow.
The same difference applies the other way round: Serpent Eye Yellow is 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 Serpent Eye Yellow on the colour wheel See Lemon Yellow on the colour wheel
All matches: Serpent Eye Yellow equivalents · Lemon Yellow equivalents