ΔE 7.4, close: similar, with a visible difference side by side. Corvus Black is more saturated than Outlining Black.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Corvus Black is more saturated than Outlining Black.
The same difference applies the other way round: Outlining Black 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.
See Outlining Black on the colour wheel See Corvus Black on the colour wheel
All matches: Outlining Black equivalents · Corvus Black equivalents