To find the colors available for a *specific* year and model of Chevy Silverado, you should:
* Check the Chevrolet website: Go to the official Chevrolet website and use their build and price tool. Select the year and model you're interested in, and it will show you the available exterior colors.
* Visit a Chevrolet dealership: A local dealership will have the most up-to-date information on currently available colors for their inventory.
* Look at online listings: Websites like Autotrader, Cars.com, etc., will show the color of used trucks for sale. This helps you see what colors *were* offered in previous years, but won't be exhaustive.
In short, there's no single answer to your question; the color options are dynamic and depend on the specific truck.