ΔE 14.1, fair: the same colour family, but not a straight swap. Pastel Green is a little lighter, more muted, warmer than RLM 82 Light Green.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Pastel Green is a little lighter, more muted, warmer than RLM 82 Light Green.
The same difference applies the other way round: RLM 82 Light Green is a little darker, more saturated, 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 RLM 82 Light Green on the colour wheel See Pastel Green on the colour wheel
All matches: RLM 82 Light Green equivalents · Pastel Green equivalents