ΔE 24.7, loose: different enough that you should pick on purpose. Lemon Yellow is a little lighter, cooler than Arylide Yellow Deep.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Lemon Yellow is a little lighter, cooler than Arylide Yellow Deep.
The same difference applies the other way round: Arylide Yellow Deep 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 Arylide Yellow Deep on the colour wheel See Lemon Yellow on the colour wheel
All matches: Arylide Yellow Deep equivalents · Lemon Yellow equivalents