Pewter and firefly are not a gene It’s a combo. Pewter is cinnamon pastel and a firefly is a super pastel fire. But yeah I would agree she has super pastel, cinnamon, and fire
The colors are a tad off in the picture, the towel they are on is completely white with black stripes but the bulbs I have on my ceiling makes it slightly yellow. Shes probably a little less yellow than shown, but her colors are fairly accurate in the pictures.