The Ruppel line pastel has a more orange hue to it and keeps it's coloration into adulthood. It's like the Citrus line of Pastel, which tend to stay more yellow. Here are some of the Ruppel's I've produced over the past could of years. I also don't mix my Ruppel Pastels into other lines, not like a lot of others have done and couldn't tell you what line they have. Selective breeding is a good thing sometimes.

Ruppel Genetic Stripe around 900 grams.

Ruppel Calico.

Ruppel Het Yellow Hypo/Ghost around 700 grams.