ΔE 16.6, loose: different enough that you should pick on purpose. Succubus Skin is noticeably darker, more muted, cooler than Seven Pillars of Wisdom.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Succubus Skin is noticeably darker, more muted, cooler than Seven Pillars of Wisdom.
The same difference applies the other way round: Seven Pillars of Wisdom is noticeably lighter, more saturated, warmer.
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 Seven Pillars of Wisdom on the colour wheel See Succubus Skin on the colour wheel
All matches: Seven Pillars of Wisdom equivalents · Succubus Skin equivalents