ΔE 8.6, close: similar, with a visible difference side by side. Titan Buff is a little darker, more saturated, warmer than Pale Sand.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Titan Buff is a little darker, more saturated, warmer than Pale Sand.
The same difference applies the other way round: Pale Sand is a little lighter, 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 Pale Sand on the colour wheel See Titan Buff on the colour wheel
All matches: Pale Sand equivalents · Titan Buff equivalents