Yriel Yellow vs Camel Yellow

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Camel Yellow is a little darker, warmer than Yriel Yellow.

Can I use Camel Yellow instead of Yriel Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Camel Yellow is a little darker, warmer than Yriel Yellow.

Can I use Yriel Yellow instead of Camel Yellow?

The same difference applies the other way round: Yriel 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.