Zinc Chromate Yellow vs Deep Yellow

How close are they?

ΔE 10.8, fair: the same colour family, but not a straight swap. Deep Yellow is a little darker, more muted, warmer than Zinc Chromate Yellow.

Can I use Deep Yellow instead of Zinc Chromate Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Deep Yellow is a little darker, more muted, warmer than Zinc Chromate Yellow.

Can I use Zinc Chromate Yellow instead of Deep Yellow?

The same difference applies the other way round: Zinc Chromate Yellow is a little lighter, more saturated, 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.