https://www.theguardian.com/artanddesign/2023/oct/11/colourful-beauty-parthenon-marbles-revealed-scientific-analysis
https://www.cambridge.org/core/journals/antiquity/article/goddess-new-clothes-the-carving-and-polychromy-of-the-parthenon-sculptures/9D7277925E339AC98642081CBAAD8794
More than previously expected; mostly Egyptian blue, but traces of white and purple are also mentioned.