ΔE 13.9, fair: the same colour family, but not a straight swap. Faded P.R.U. Blue is noticeably lighter, more saturated than Gravedigger Denim.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Faded P.R.U. Blue is noticeably lighter, more saturated than Gravedigger Denim.
The same difference applies the other way round: Gravedigger Denim is noticeably 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 Gravedigger Denim on the colour wheel See Faded P.R.U. Blue on the colour wheel
All matches: Gravedigger Denim equivalents · Faded P.R.U. Blue equivalents