Phoenix Flames vs Vanilla Yellow

How close are they?

ΔE 8.3, close: similar, with a visible difference side by side. Vanilla Yellow is a little lighter than Phoenix Flames.

Can I use Vanilla Yellow instead of Phoenix Flames?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Vanilla Yellow is a little lighter than Phoenix Flames.

Can I use Phoenix Flames instead of Vanilla Yellow?

The same difference applies the other way round: Phoenix Flames is a little darker.

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.