Bismuth Vanadate Yellow vs Bile Green

How close are they?

ΔE 8.5, close: similar, with a visible difference side by side. Bile Green is more saturated than Bismuth Vanadate Yellow.

Can I use Bile Green instead of Bismuth Vanadate Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bile Green is more saturated than Bismuth Vanadate Yellow.

Can I use Bismuth Vanadate Yellow instead of Bile Green?

The same difference applies the other way round: Bismuth Vanadate Yellow is 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.