So, I figured this would be a cool thread showcasing the sarracenia species and hybrids that change their color significantly over the course of time.
Here's S. "Judith Hindle". The pitcher on the left is old, the one on the right is new.
Here's S. readii x "Royal Ruby" (aka S. readii x moorei "Big Red") when it first opened.
Now the same pitcher 2 months later: