Maybe this will help
http://www.yorkietalk.com/forums/bre...e-puppies.html
or this...
Top Yorkie Genetics Chocolate Yorkies Chocolate Yorkie Red Golden Blue Born Yorkshire Terrier
I'm no expert, but I didn't think blue born yorkies had ANY tan or gold. My yorks are both really light, but neither are blue born. Hope some of this helps. Again, no expert, but compared to fthe pics I remember seeing, he just looks like an adorable york to me, and not blue born.