ΔE 16.9, loose: different enough that you should pick on purpose. Sandy Yellow Dark Yellow is a little darker, much more saturated, cooler than Kobold Skin.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Sandy Yellow Dark Yellow is a little darker, much more saturated, cooler than Kobold Skin.
The same difference applies the other way round: Kobold Skin is a little lighter, much more muted, 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 Kobold Skin on the colour wheel See Sandy Yellow Dark Yellow on the colour wheel
All matches: Kobold Skin equivalents · Sandy Yellow Dark Yellow equivalents