I'm not attracted to black women
That's a little harsh. Do you have something against black women?
Black women are not my type
It is common for people not to have some attraction to other races. Just make sure to keep that yourself.
I just don't like skin color, dark skin is ugly.
While it's normal for everyone to have preferences, I believe it's best to keep such opinions away since it's inherently racist. Everyone is beautiful, and they all deserve a fair chance at love no matter their skin color.