ΔE 10.6, fair: the same colour family, but not a straight swap. Terran Khaki is more muted, cooler than Amber Skin.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Terran Khaki is more muted, cooler than Amber Skin.
The same difference applies the other way round: Amber Skin is more saturated, 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 Amber Skin on the colour wheel See Terran Khaki on the colour wheel
All matches: Amber Skin equivalents · Terran Khaki equivalents