Skin tone has little to do with it, the biggest denominator is phenotypes. When a caucosoid and a negroid reproduce, 90% of the time, their offspring looks like shit because negroid features are inherintly always dominant traits.
Take the little girl for example; had she not had that huge nose and lips she would have been fine, unfortunately those traits are almost always exclusive to blacks, so the mother screwed off her future offspring in exchange for coal-burning.
If a curry and a caucasoid reproduce, then their offspring usually come out looking like muslims/arabs and that's usually because they share similar phenotypes but different pigmentations.
The only time race mixing works is when it's done with a giga-tyrone/chad and a giga-stacy/janet and even then the negroid must have some sort of feature that makes them look less negro and more caucasian, such as prominent cheekbones or a thin nose.
I always burst out laughing when a 3/10 coal burner thinks she's going to make this:
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because she got a 8/10 Tyrone's sperm but ends up with this:
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