ΔE 21.4, loose: different enough that you should pick on purpose. Yellow RLM04 is much more saturated, warmer than Sandy Tan.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 21). Yellow RLM04 is much more saturated, warmer than Sandy Tan.
The same difference applies the other way round: Sandy Tan is much 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 Sandy Tan on the colour wheel See Yellow RLM04 on the colour wheel
All matches: Sandy Tan equivalents · Yellow RLM04 equivalents