Space Red vs Wazdakka Red

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Wazdakka Red is a little darker than Space Red.

Can I use Wazdakka Red instead of Space Red?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Wazdakka Red is a little darker than Space Red.

Can I use Space Red instead of Wazdakka Red?

The same difference applies the other way round: Space Red 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.