ΔE 13.8, fair: the same colour family, but not a straight swap. Tan is noticeably darker, cooler than Midlund Flesh.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Tan is noticeably darker, cooler than Midlund Flesh.
The same difference applies the other way round: Midlund 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 Midlund Flesh on the colour wheel See Tan on the colour wheel
All matches: Midlund Flesh equivalents · Tan equivalents