Stegadon Scale Green vs Turquois (Phthalo)

How close are they?

ΔE 9.9, close: similar, with a visible difference side by side. Turquois (Phthalo) is a little darker, cooler than Stegadon Scale Green.

Can I use Turquois (Phthalo) instead of Stegadon Scale Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 10). Turquois (Phthalo) is a little darker, cooler than Stegadon Scale Green.

Can I use Stegadon Scale Green instead of Turquois (Phthalo)?

The same difference applies the other way round: Stegadon Scale Green is a little lighter, warmer.

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.