Crow Hue vs Dark Neutral Grey

How close are they?

ΔE 6.7, close: similar, with a visible difference side by side. Dark Neutral Grey is a little darker, more muted than Crow Hue.

Can I use Dark Neutral Grey instead of Crow Hue?

Usually, if you are not matching paint already on the model. Close match (ΔE 7). Dark Neutral Grey is a little darker, more muted than Crow Hue.

Can I use Crow Hue instead of Dark Neutral Grey?

The same difference applies the other way round: Crow Hue is a little lighter, more saturated.

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.