Bile Yellow vs Desert Yellow

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Desert Yellow is a little darker, warmer than Bile Yellow.

Can I use Desert Yellow instead of Bile Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Desert Yellow is a little darker, warmer than Bile Yellow.

Can I use Bile Yellow instead of Desert Yellow?

The same difference applies the other way round: Bile Yellow is a little lighter, 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.