Petra van Cronenburg on Nostr: Could be both directions. In Islam, the colour blue plays an important role, and it ...

Could be both directions. In Islam, the colour blue plays an important role, and it existed in art and architecture long before the colonialism of the French.
Then it becomes odd: The blue especially in the Tunisian town Sidi Bou Said was introduced in the 1920s by the French painter Rodolfe d’Erlanger - but he was especially interested in the importance of blue motifs and blue symbolism in Islam and perhaps copied these.
A secular version: You find white and blue as nature colours