ΔE 9.1, close: similar, with a visible difference side by side. RLM 83 Dark Green is a little lighter, more muted than Temple Gate Teal.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). RLM 83 Dark Green is a little lighter, more muted than Temple Gate Teal.
The same difference applies the other way round: Temple Gate Teal is a little 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 RLM 83 Dark Green on the colour wheel
All matches: Temple Gate Teal equivalents · RLM 83 Dark Green equivalents