ΔE 25.0, loose: different enough that you should pick on purpose. Dark Rose Tan is noticeably darker, warmer than Talisman Purple.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Dark Rose Tan is noticeably darker, warmer than Talisman Purple.
The same difference applies the other way round: Talisman Purple is noticeably 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 Talisman Purple on the colour wheel See Dark Rose Tan on the colour wheel
All matches: Talisman Purple equivalents · Dark Rose Tan equivalents