ΔE 14.4, fair: the same colour family, but not a straight swap. Forest Green is noticeably darker, warmer than Temple Gate Teal.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Forest Green is noticeably darker, warmer than Temple Gate Teal.
The same difference applies the other way round: Temple Gate Teal is noticeably 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 Temple Gate Teal on the colour wheel See Forest Green on the colour wheel
All matches: Temple Gate Teal equivalents · Forest Green equivalents