Shieldwall Blue vs Interior Blue Soviet

How close are they?

ΔE 6.9, close: similar, with a visible difference side by side. Interior Blue Soviet is more muted than Shieldwall Blue.

Can I use Interior Blue Soviet instead of Shieldwall Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Interior Blue Soviet is more muted than Shieldwall Blue.

Can I use Shieldwall Blue instead of Interior Blue Soviet?

The same difference applies the other way round: Shieldwall Blue is 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.