Persephone, being a Greek goddess, could change her appearance (and hair) at will.
It can be any color a artist chooses, for Persephone may appear in any way.
Persephones color was all the amazing new colors of spring.
Persephone could ware any color, but somber black or the vibrant colors of spring and autumn are probably her favorites.
Zeus
Zeus
Kore
Link below.
Demeter
haides
life
Persephones grandparents were Crouns and Rhea on bothe sides. Her motehr was Demter and father was Zeus, and Zeus and Demter were siblings.
His hair color is blue