ΔE 7.9, close: similar, with a visible difference side by side. Bright Pale Green is a little lighter, more saturated, warmer than Forest Faun.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Bright Pale Green is a little lighter, more saturated, warmer than Forest Faun.
The same difference applies the other way round: Forest Faun is a little darker, more muted, 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 Forest Faun on the colour wheel See Bright Pale Green on the colour wheel
All matches: Forest Faun equivalents · Bright Pale Green equivalents