Olive Green vs Dark Yellow

How close are they?

ΔE 12.0, fair: the same colour family, but not a straight swap. Dark Yellow is a little darker, more saturated, warmer than Olive Green.

Can I use Dark Yellow instead of Olive Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dark Yellow is a little darker, more saturated, warmer than Olive Green.

Can I use Olive Green instead of Dark Yellow?

The same difference applies the other way round: Olive Green is a little lighter, more muted, 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.