ΔE 14.3, fair: the same colour family, but not a straight swap. Petroleum Brown Wash is more muted, warmer than Strong Skin Shade.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Petroleum Brown Wash is more muted, warmer than Strong Skin Shade.
The same difference applies the other way round: Strong Skin Shade is more saturated, cooler.
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 Strong Skin Shade on the colour wheel See Petroleum Brown Wash on the colour wheel
All matches: Strong Skin Shade equivalents · Petroleum Brown Wash equivalents