ΔE 6.7, close: similar, with a visible difference side by side. USAF Light Blue is cooler than Cold Armour.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). USAF Light Blue is cooler than Cold Armour.
The same difference applies the other way round: Cold Armour is 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 Cold Armour on the colour wheel See USAF Light Blue on the colour wheel
All matches: Cold Armour equivalents · USAF Light Blue equivalents