ΔE 6.3, close: similar, with a visible difference side by side. US Desert Arm. is a little lighter, more muted than Dragon Fang.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). US Desert Arm. is a little lighter, more muted than Dragon Fang.
The same difference applies the other way round: Dragon Fang 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 Dragon Fang on the colour wheel See US Desert Arm. on the colour wheel
All matches: Dragon Fang equivalents · US Desert Arm. equivalents