ΔE 8.6, close: similar, with a visible difference side by side. Flanker Light Blue is more muted, cooler than Forest Faun.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Flanker Light Blue is more muted, cooler than Forest Faun.
The same difference applies the other way round: Forest Faun is more saturated, warmer.
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 Flanker Light Blue on the colour wheel
All matches: Forest Faun equivalents · Flanker Light Blue equivalents