ΔE 14.4, fair: the same colour family, but not a straight swap. Beige Red is much more saturated, cooler than Boot Strap Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Beige Red is much more saturated, cooler than Boot Strap Brown.
The same difference applies the other way round: Boot Strap Brown is much more muted, 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 Boot Strap Brown on the colour wheel See Beige Red on the colour wheel
All matches: Boot Strap Brown equivalents · Beige Red equivalents