Storm Blue vs Stegadon Scale Green

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Stegadon Scale Green is a little lighter, warmer than Storm Blue.

Can I use Stegadon Scale Green instead of Storm Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Stegadon Scale Green is a little lighter, warmer than Storm Blue.

Can I use Storm Blue instead of Stegadon Scale Green?

The same difference applies the other way round: Storm Blue is a little darker, cooler.

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.