ΔE 10.8, fair: the same colour family, but not a straight swap. Russ. AF Light Blue is a little darker, more saturated, warmer than Snow Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Russ. AF Light Blue is a little darker, more saturated, warmer than Snow Blue.
The same difference applies the other way round: Snow Blue is a little lighter, 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 Snow Blue on the colour wheel See Russ. AF Light Blue on the colour wheel
All matches: Snow Blue equivalents · Russ. AF Light Blue equivalents