I compared one of the Sims 4 official skin tones to a CC skin tone. They're about the same hue, and they're almost exactly equal in darkness, but the official skin tone
The Sims Resource - Rainbow Skintone Set
Skin Tones That We Need. : r/thesims
Maxis Match CC World — Maxis Match Skintones V2! Warms and Cools redone,...