ΔE 7.1, close: similar, with a visible difference side by side. Gravedigger Denim is more muted than Dark Reaper.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Gravedigger Denim is more muted than Dark Reaper.
The same difference applies the other way round: Dark Reaper 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.
See Dark Reaper on the colour wheel See Gravedigger Denim on the colour wheel
All matches: Dark Reaper equivalents · Gravedigger Denim equivalents