ΔE 19.6, loose: different enough that you should pick on purpose. Yellow Ochre is noticeably darker, more saturated, warmer than Shiny Skintone.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Yellow Ochre is noticeably darker, more saturated, warmer than Shiny Skintone.
The same difference applies the other way round: Shiny Skintone is noticeably 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 Shiny Skintone on the colour wheel See Yellow Ochre on the colour wheel
All matches: Shiny Skintone equivalents · Yellow Ochre equivalents