ΔE 6.6, close: similar, with a visible difference side by side. Med. Flesh Tone is more muted, cooler than Yellow Shadow.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Med. Flesh Tone is more muted, cooler than Yellow Shadow.
The same difference applies the other way round: Yellow Shadow is 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 Yellow Shadow on the colour wheel See Med. Flesh Tone on the colour wheel
All matches: Yellow Shadow equivalents · Med. Flesh Tone equivalents