ΔE 6.5, close: similar, with a visible difference side by side. Hull Red is a little darker than Waffen Brown Grey.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Hull Red is a little darker than Waffen Brown Grey.
The same difference applies the other way round: Waffen Brown Grey is a little lighter.
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 Waffen Brown Grey on the colour wheel See Hull Red on the colour wheel
All matches: Waffen Brown Grey equivalents · Hull Red equivalents