ΔE 12.1, fair: the same colour family, but not a straight swap. Russ. AF Light Blue is a little lighter, more saturated, cooler than RLM 76 Version 1.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Russ. AF Light Blue is a little lighter, more saturated, cooler than RLM 76 Version 1.
The same difference applies the other way round: RLM 76 Version 1 is a little darker, 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 RLM 76 Version 1 on the colour wheel See Russ. AF Light Blue on the colour wheel
All matches: RLM 76 Version 1 equivalents · Russ. AF Light Blue equivalents