ΔE 9.0, close: similar, with a visible difference side by side. Russ. AF Light Blue is more saturated, cooler than Pale Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Russ. AF Light Blue is more saturated, cooler than Pale Blue.
The same difference applies the other way round: Pale Blue is more muted, 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 Pale Blue on the colour wheel See Russ. AF Light Blue on the colour wheel
All matches: Pale Blue equivalents · Russ. AF Light Blue equivalents