Maize Yellow vs Bad Moon Yellow

How close are they?

ΔE 8.1, close: similar, with a visible difference side by side. Bad Moon Yellow is a little darker, more muted than Maize Yellow.

Can I use Bad Moon Yellow instead of Maize Yellow?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bad Moon Yellow is a little darker, more muted than Maize Yellow.

Can I use Maize Yellow instead of Bad Moon Yellow?

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

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.