Ochre vs IJA Chrome Yellow

How close are they?

ΔE 11.5, fair: the same colour family, but not a straight swap. IJA Chrome Yellow is a little lighter, more saturated than Ochre.

Can I use IJA Chrome Yellow instead of Ochre?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). IJA Chrome Yellow is a little lighter, more saturated than Ochre.

Can I use Ochre instead of IJA Chrome Yellow?

The same difference applies the other way round: Ochre is a little darker, more muted.

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.