Moldy Ochre vs Light Yellow

How close are they?

ΔE 12.5, fair: the same colour family, but not a straight swap. Light Yellow is noticeably lighter, more saturated than Moldy Ochre.

Can I use Light Yellow instead of Moldy Ochre?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Light Yellow is noticeably lighter, more saturated than Moldy Ochre.

Can I use Moldy Ochre instead of Light Yellow?

The same difference applies the other way round: Moldy Ochre is noticeably 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.