Gargoyle Grey vs Gray Green

How close are they?

ΔE 8.9, close: similar, with a visible difference side by side. Gray Green is more saturated, cooler than Gargoyle Grey.

Can I use Gray Green instead of Gargoyle Grey?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Gray Green is more saturated, cooler than Gargoyle Grey.

Can I use Gargoyle Grey instead of Gray Green?

The same difference applies the other way round: Gargoyle Grey is more muted, 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.