ΔE 9.1, close: similar, with a visible difference side by side. Aged White is more saturated, warmer than Khaki Highlight.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Aged White is more saturated, warmer than Khaki Highlight.
The same difference applies the other way round: Khaki Highlight is more muted, 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 Khaki Highlight on the colour wheel See Aged White on the colour wheel
All matches: Khaki Highlight equivalents · Aged White equivalents