Middle Stone vs Military Yellow

How close are they?

ΔE 10.9, fair: the same colour family, but not a straight swap. Military Yellow is noticeably darker than Middle Stone.

Can I use Military Yellow instead of Middle Stone?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Military Yellow is noticeably darker than Middle Stone.

Can I use Middle Stone instead of Military Yellow?

The same difference applies the other way round: Middle Stone is noticeably lighter.

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.