ΔE 18.7, loose: different enough that you should pick on purpose. Basic Skin Tone is noticeably lighter, more muted than Khardic Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 19). Basic Skin Tone is noticeably lighter, more muted than Khardic Flesh.
The same difference applies the other way round: Khardic Flesh is noticeably darker, more saturated.
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 Khardic Flesh on the colour wheel See Basic Skin Tone on the colour wheel
All matches: Khardic Flesh equivalents · Basic Skin Tone equivalents