ΔE 12.3, fair: the same colour family, but not a straight swap. Hykey Yellow is a little lighter, more saturated than Light Khaki Drill.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Hykey Yellow is a little lighter, more saturated than Light Khaki Drill.
The same difference applies the other way round: Light Khaki Drill is a little darker, more muted.
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 Light Khaki Drill on the colour wheel See Hykey Yellow on the colour wheel
All matches: Light Khaki Drill equivalents · Hykey Yellow equivalents