Occultist Cloak vs Graphite Grey

How close are they?

ΔE 8.9, close: similar, with a visible difference side by side. Graphite Grey is more muted than Occultist Cloak.

Can I use Graphite Grey instead of Occultist Cloak?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Graphite Grey is more muted than Occultist Cloak.

Can I use Occultist Cloak instead of Graphite Grey?

The same difference applies the other way round: Occultist Cloak is 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.