The best colors for Persephone are probably spring colors like exp: yellow, green, baby blue, light orange... colors like that would be good. if it is for a project i would use all if not more colors like that and make it very light and flowing.
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If it is for her Maiden or Spring aspects I would choose lighter colours; colours that resemble Spring and the Earth.
Otherwise I would select darker colours like black and red.
Persephone, being a goddess, could change the color of her eyes at will.
Persephone had blond hair.
Green and Gold
Persephone, being a Greek goddess, could change her appearance (and hair) at will.
Green and Gold
Persephone is best known as the Queen of the Underworld.
Persephones color was all the amazing new colors of spring.
Persephone, being a Greek goddess, may change her appearance (thus eye color) at will.
Persephone, being a goddess, could change the color of her eyes at will.
It can be any color a artist chooses, for Persephone may appear in any way.
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Minding the underworld, and abducting Persephone.