Arylide Yellow Deep vs Medium Yellow

How close are they?

ΔE 13.0, fair: the same colour family, but not a straight swap. Medium Yellow is a little darker, warmer than Arylide Yellow Deep.

Can I use Medium Yellow instead of Arylide Yellow Deep?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Medium Yellow is a little darker, warmer than Arylide Yellow Deep.

Can I use Arylide Yellow Deep instead of Medium Yellow?

The same difference applies the other way round: Arylide Yellow Deep 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.