I'm killing time, so I looked up Silkie skin genetics and this thread has a photo of a Silkie cross with light skin:
https://www.backyardchickens.com/t/...ies-show-up-unexpectedly-in-silkie-mixes-pics
https://www.backyardchickens.com/t/...ies-show-up-unexpectedly-in-silkie-mixes-pics