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