Unfortunately, there isn't yet a way to breed Yellow Tangs in home aquariums since pelagic spawning species require so much space to breed and raise, but you can purchase 100% captive bred Yellow Tangs from Biota here: https://shop.thebiotagroup.com/products/hawaiian-yellow
Sorry, There are no blue x yellow hybrid tangs. Yet. Since you've been a good sport, enjoy this 10% off coupon: April1