ΔE 10.8, fair: the same colour family, but not a straight swap. Baneblade Brown is noticeably lighter than WWI French Milky Coffee.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Baneblade Brown is noticeably lighter than WWI French Milky Coffee.
The same difference applies the other way round: WWI French Milky Coffee is noticeably darker.
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 WWI French Milky Coffee on the colour wheel See Baneblade Brown on the colour wheel
All matches: WWI French Milky Coffee equivalents · Baneblade Brown equivalents