ΔE 14.0, fair: the same colour family, but not a straight swap. Kawa Brown is a little lighter, more muted, warmer than Deep Brown.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Kawa Brown is a little lighter, more muted, warmer than Deep Brown.
The same difference applies the other way round: Deep Brown is a little darker, 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 Deep Brown on the colour wheel See Kawa Brown on the colour wheel
All matches: Deep Brown equivalents · Kawa Brown equivalents