ΔE 18.4, loose: different enough that you should pick on purpose. Tan is a little darker, much more muted than Light Orange.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Tan is a little darker, much more muted than Light Orange.
The same difference applies the other way round: Light Orange is a little lighter, much 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 Light Orange on the colour wheel See Tan on the colour wheel
All matches: Light Orange equivalents · Tan equivalents