ΔE 13.3, fair: the same colour family, but not a straight swap. Old Gold is a little darker, more muted than Death By.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Old Gold is a little darker, more muted than Death By.
The same difference applies the other way round: Death By is a little lighter, 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 Death By on the colour wheel See Old Gold on the colour wheel
All matches: Death By equivalents · Old Gold equivalents