ΔE 23.3, loose: different enough that you should pick on purpose. Dark Rose Tan is a little darker, warmer than Emperor's Children.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Dark Rose Tan is a little darker, warmer than Emperor's Children.
The same difference applies the other way round: Emperor's Children is a little lighter, 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 Emperor's Children on the colour wheel See Dark Rose Tan on the colour wheel
All matches: Emperor's Children equivalents · Dark Rose Tan equivalents