ΔE 6.4, close: similar, with a visible difference side by side. Russ. AF Light Blue is a little lighter than Phantom Blue.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Russ. AF Light Blue is a little lighter than Phantom Blue.
The same difference applies the other way round: Phantom Blue is a little darker.
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 Phantom Blue on the colour wheel See Russ. AF Light Blue on the colour wheel
All matches: Phantom Blue equivalents · Russ. AF Light Blue equivalents