Transparent Yellow Iron Oxide vs Deep Yellow

How close are they?

ΔE 14.0, fair: the same colour family, but not a straight swap. Deep Yellow is more saturated, cooler than Transparent Yellow Iron Oxide.

Can I use Deep Yellow instead of Transparent Yellow Iron Oxide?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Deep Yellow is more saturated, cooler than Transparent Yellow Iron Oxide.

Can I use Transparent Yellow Iron Oxide instead of Deep Yellow?

The same difference applies the other way round: Transparent Yellow Iron Oxide is more muted, 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.