ΔE 12.2, fair: the same colour family, but not a straight swap. Corvus Black is a little lighter, more saturated than Matt Black.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Corvus Black is a little lighter, more saturated than Matt Black.
The same difference applies the other way round: Matt Black 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.
See Matt Black on the colour wheel See Corvus Black on the colour wheel
All matches: Matt Black equivalents · Corvus Black equivalents