ΔE 12.6, fair: the same colour family, but not a straight swap. Light Green RLM25 is a little darker, warmer than Morning Sky.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Light Green RLM25 is a little darker, warmer than Morning Sky.
The same difference applies the other way round: Morning Sky is a little lighter, 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 Morning Sky on the colour wheel See Light Green RLM25 on the colour wheel
All matches: Morning Sky equivalents · Light Green RLM25 equivalents