ΔE 7.3, close: similar, with a visible difference side by side. Bright Green is a little darker, more saturated than Traitor Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Bright Green is a little darker, more saturated than Traitor Green.
The same difference applies the other way round: Traitor Green is a little lighter, more muted.
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 Traitor Green on the colour wheel See Bright Green on the colour wheel
All matches: Traitor Green equivalents · Bright Green equivalents