There are many types of patterns and color variations in cornsnakes. Below are discriptions and pictures of some of the main categories. I borrowed almost all of these pictures from other sites, so if you use them please ask them for permission. Thank you.
Normal
Okeetee
Anerythristic
Candycanes
Amelanistic
Hypomelanistic
Ghost, Blizzard, and Snow Corns
Blood Corns
Lavender, Sunglow, and Other Types
Cream, Butter, and Butterscotch