The Yorkie has one color pattern: adults are always dark steel blue with tan markings, but puppies are born black and tan and may have some random black hairs before they mature. (canismajor.com)
This luxurious dark steel blue woolen fabric is from the collection Zelander ® of the famous Italian manufacturer Loro Piana. (tissura.com)
When this color defines the terrier, it is described as dark steel blue or shiny silver.Because of this dark shade, it could easily be mistaken for black, but when it is seen in bright sunlight, you can see that there is a difference from the usual black. (yorkiemag.com)