White Precision Base vs Dead White

How close are they?

ΔE 6.0, close: similar, with a visible difference side by side. Dead White is a little darker than White Precision Base.

Can I use Dead White instead of White Precision Base?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Dead White is a little darker than White Precision Base.

Can I use White Precision Base instead of Dead White?

The same difference applies the other way round: White Precision Base is a little lighter.

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.