Uniform Blue vs Stratos Blue

How close are they?

ΔE 7.0, close: similar, with a visible difference side by side. Stratos Blue is a little darker, more muted than Uniform Blue.

Can I use Stratos Blue instead of Uniform Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Stratos Blue is a little darker, more muted than Uniform Blue.

Can I use Uniform Blue instead of Stratos Blue?

The same difference applies the other way round: Uniform Blue 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.