ΔE 13.8, fair: the same colour family, but not a straight swap. Light Green RLM25 is noticeably lighter, more muted than Temple Gate Teal.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Green RLM25 is noticeably lighter, more muted than Temple Gate Teal.
The same difference applies the other way round: Temple Gate Teal is noticeably darker, more saturated.
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 Temple Gate Teal on the colour wheel See Light Green RLM25 on the colour wheel
All matches: Temple Gate Teal equivalents · Light Green RLM25 equivalents