Dark Gull Grey FS 36231 vs Cold Flesh

How close are they?

ΔE 7.3, close: similar, with a visible difference side by side. Cold Flesh is more saturated than Dark Gull Grey FS 36231.

Can I use Cold Flesh instead of Dark Gull Grey FS 36231?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Cold Flesh is more saturated than Dark Gull Grey FS 36231.

Can I use Dark Gull Grey FS 36231 instead of Cold Flesh?

The same difference applies the other way round: Dark Gull Grey FS 36231 is 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.