ΔE 6.5, close: similar, with a visible difference side by side. Flak Gun Yellow is a little lighter than Burnt Turf.
✓ Two Thin Coats comparison chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Flak Gun Yellow is a little lighter than Burnt Turf.
The same difference applies the other way round: Burnt Turf is a little darker.
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 Burnt Turf on the colour wheel See Flak Gun Yellow on the colour wheel
All matches: Burnt Turf equivalents · Flak Gun Yellow equivalents