ΔE 14.7, fair: the same colour family, but not a straight swap. Toxic Yellow is a little lighter, cooler than Naples Yellow Hue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Toxic Yellow is a little lighter, cooler than Naples Yellow Hue.
The same difference applies the other way round: Naples Yellow Hue 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 Naples Yellow Hue on the colour wheel See Toxic Yellow on the colour wheel
All matches: Naples Yellow Hue equivalents · Toxic Yellow equivalents