Sun Yellow vs Bile Green

How close are they?

ΔE 14.1, fair: the same colour family, but not a straight swap. Bile Green is a little lighter, cooler than Sun Yellow.

Can I use Bile Green instead of Sun Yellow?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Bile Green is a little lighter, cooler than Sun Yellow.

Can I use Sun Yellow instead of Bile Green?

The same difference applies the other way round: Sun Yellow is a little darker, 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.