ΔE 14.8, fair: the same colour family, but not a straight swap. Dry Rust Brown is a little darker, more muted, cooler than Skrag Brown.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Dry Rust Brown is a little darker, more muted, cooler than Skrag Brown.
The same difference applies the other way round: Skrag Brown is a little lighter, more saturated, warmer.
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 Skrag Brown on the colour wheel See Dry Rust Brown on the colour wheel
All matches: Skrag Brown equivalents · Dry Rust Brown equivalents