Nattier is belong to color family of a pale blue. It was named from a French Artist Jean-Marc Nattier. He was known for painting women portraits, and most of them use this color. The color code for Nattier is #9CC2BF and it is also know as Bleu Nattier color. The RGB color code is 156, 194, 191. The reason I picked this color because I thought it was blue when I saw it in my first perspective and pale blue is my favorite color. However, I found it was mostly contain 76.08% green color and 74.9% blue color when I look it up on the resources.
https://www.metmuseum.org/art/collection/search/437182
https://www.crispedge.com/color/9cc2bf/