ΔE 7.4, close: similar, with a visible difference side by side. Death Reaper is more muted than Deep Grey.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Death Reaper is more muted than Deep Grey.
The same difference applies the other way round: Deep Grey 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 Deep Grey on the colour wheel See Death Reaper on the colour wheel
All matches: Deep Grey equivalents · Death Reaper equivalents