I have some of the sample leathers and tomorrow in the sunlight I will take a look at the hot pink nappa with the Amethyst. The only thing I can tell you about trying different leathers is you need to speak to Marco first. Some of the leathers require a backing which will add some cost and also weight. I originally wanted the Little Tulipano in plum pebbled and Marco emailed and let me know that the pebbled would require a backing and make the bag heavy. He indicated that the Pompeii and if I remember correctly the calf leathers were ideal for Tulipano. I am not sure what other leathers are suitable. Now that I have sample of the Pompeii leathers I might have done a color combination although I am not a color block person. As I have mentioned before I love all the color block combos that I see posted here but I prefer a single color. Having said that I might add a different inner or outer bag for my Little Tulipano in one of the other Pompeii leathers. Let me know if there are any color combinations you would like me to photograph with the Amethyst Little Tulipano to give you an idea of what the colors look like together.