ΔE 7.3, close: similar, with a visible difference side by side. Mid Khaki Drill is warmer than Tombstone Yellow.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Mid Khaki Drill is warmer than Tombstone Yellow.
The same difference applies the other way round: Tombstone Yellow is 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 Tombstone Yellow on the colour wheel See Mid Khaki Drill on the colour wheel
All matches: Tombstone Yellow equivalents · Mid Khaki Drill equivalents