Silver White and Tan Explained
  Silver/White/Tan (atBCdEGmrsi/spt) This color has the same formula as the Silver and Tan dog with the exception of carrying a different gene that produces varying amounts of white. If your dog is Silver White and Tan the (S) gene would be replaced with one of these White producing gene patterns, (si, or sp) in any combination. For more info see White Chart.
It will reproduce its color only if bred to a dog of the same color or to a dog that is carrying the blue (d) gene recessively along with the graying (G) gene.  The Tan markings or Points of tan that show on the coat are specific to this gene.  It can appear in varying shades from very light silvery brown to a deeper grayish brown  color. The Tan points can also vary in shade from a light to darker in color. They are typically born darker and turn the Silver color as they mature. 

                                                                      MATING RESULTS

Color Index