Since there are already other varieties that have more than one gene "recipe" to acquire the phenotype, and phenotype is what determines that variety, not genetic makeup, I really don't think APA or ABA will care at all.
Now khaki I see an issue with as it currently require a white crest...and I have NO intention of breeding a white crest into my khaki silkies.
Now khaki I see an issue with as it currently require a white crest...and I have NO intention of breeding a white crest into my khaki silkies.