A mix with matte, pearl glitter plus golds, browns, and a little holo sparkle.
Spoilers about the name (click and drag to highlight and show hidden text!):
This color feels so earthy and pure to me. I felt like it was the perfect representation of the Valkyrie from the book. It also makes me think of the ribbon from their training. The Valkyrie are one of my favorite things about book 5!