Well as a starting point I imagine she should have some orange, red, or yellow to go along with the fire portion of her name.
The flower in her hair reminds me of the hawaiian plumierra, which comes in various colors and combinations of white, yellow, pink, and orange.
With these things in mind, this would be my first suggestion:
mane and tail should be same color, perhaps yellow. I notice the tips of her tail are shaded differently, perhaps, orange tips?
body color should be one solid color, perhaps whiteish or pinkish?
The flower can be used to as a color accent, if you google it there a lots of combinations you can try
perhaps her eyes could be orange to go along with the orange tail accents?
Hope this helps!