ΔE 10.8, fair: the same colour family, but not a straight swap. Desert Yellow is more saturated, cooler 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). Desert Yellow is more saturated, cooler than WWI French Milky Coffee.
The same difference applies the other way round: WWI French Milky Coffee is 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 WWI French Milky Coffee on the colour wheel See Desert Yellow on the colour wheel
All matches: WWI French Milky Coffee equivalents · Desert Yellow equivalents