And FINALLY, to cover one of the last pelt colors, silver! This page is going to be a LOT more complex than any of the other pages, so read carefully.

First things first, silver is not a pelt color, and it also isn't a variant of gray. Silver is actually controlled by a gene called the inhibitor gene. The inhibitor gene is a type of gene that reduces the amount of red pigment a cat has in their fur, making them appear silver. Usually, a cat's tabby markings (if they have any) are quite unaffected by this, so it IS in fact possible for a silver cat to have chocolate tabby markings, if the cat was genetically chocolate! Tabby markings on silver cats aren't always black or gray, but black and gray silver tabby markings are more common, since black and gray cats are more common.

The inhibitor gene is a dominant trait. If a chocolate tabby had the genotype II (two uppercase i's) or Ii, then they would be a silver tabby with chocolate stripes, and most the brown pigment in her fur (excluding the tabby markings) will have gone, and changed to silver. If the cat has the genotype ii, then they'd be a normal chocolate tabby.

Silver can take four different forms:

1. Silver tabby
2. Silver smoke
3. Silver shaded
4. Silver chinchilla

THIS is where the wide band gene comes into play.

Wide banding (represented by Ws) is dominant to no wide banding (represented by ws). Wide banding is a gene that effects the distance between a cat's tabby markings. 

-The silver tabby is an agouti cat, but has the non-wide banding allele. This looks like a regular tabby cat, as expected.

-The silver smoke is a non-agouti cat, and has the non-wide banding allele. A silver smoke means that the root of each hair on the cat is silver, but the tip of each hair is just the cat's base color.

-The silver shaded cat is a non-agouti cat, but has the wide banding allele. A silver shaded would mean that the root of the cat's fur is silver, but the tip is just the cat's base color. Silver shadeds have lighter tipping than smokes do, and the majority of their fur is silver.

-The silver chinchilla cat is an agouti cat, and has the wide banding allele. A silver chinchilla would mean the same thing as a smoke or shaded, but chinchillas have the lightest degree of tipping there is.
If a chinchilla is black tipped, they would end up having turquoise eyes.

It is important to note that I'm not exactly sure if the inhibitor gene is possible in the wild, or if it's more plausible in pedigree/purebred cats. I will have to do some research on this, but for now, make sure some of your cats come from kittypet ancestry if you would like to make a genetically accurate Warriors fanfiction with silver cats in it!