I actually wanna know if white girls enslaving nonwhite girls counts as bleaching
Honestly I'd say it depends on if the sperm donor is White in the end. Like, they're getting the babies from a man, and if that man isn't White, it isn't bleached. Usually in lesbian couples, the sub is also the girl who gets pregnant (with surrogacy viewed as a sort of means of dominance) so you have a non-White girl literally getting pregnant with a man there. It's even better if the White girl uses her own egg cells, however, because that means the non-White genes get completely bleached.