ΔE 14.3, fair: the same colour family, but not a straight swap. Russ. AF Light Blue is a little darker, much more muted, cooler than Pale Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Russ. AF Light Blue is a little darker, much more muted, cooler than Pale Green.
The same difference applies the other way round: Pale Green is a little lighter, much 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 Pale Green on the colour wheel See Russ. AF Light Blue on the colour wheel
All matches: Pale Green equivalents · Russ. AF Light Blue equivalents