ΔE 11.9, fair: the same colour family, but not a straight swap. Seven Pillars of Wisdom is noticeably darker, cooler than Barbarian Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Seven Pillars of Wisdom is noticeably darker, cooler than Barbarian Flesh.
The same difference applies the other way round: Barbarian Flesh is noticeably lighter, 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 Barbarian Flesh on the colour wheel See Seven Pillars of Wisdom on the colour wheel
All matches: Barbarian Flesh equivalents · Seven Pillars of Wisdom equivalents