ΔE 7.5, close: similar, with a visible difference side by side. US Desert Sand is a little darker, more saturated than Griffon Claw.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). US Desert Sand is a little darker, more saturated than Griffon Claw.
The same difference applies the other way round: Griffon Claw 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 Griffon Claw on the colour wheel See US Desert Sand on the colour wheel
All matches: Griffon Claw equivalents · US Desert Sand equivalents