Midgrey vs Gargoyle Grey

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Gargoyle Grey is a little lighter, more saturated than Midgrey.

Can I use Gargoyle Grey instead of Midgrey?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Gargoyle Grey is a little lighter, more saturated than Midgrey.

Can I use Midgrey instead of Gargoyle Grey?

The same difference applies the other way round: Midgrey is a little darker, more muted.

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.