What is meant 'Hi Beautiful' in French?

Salut, Belle is just one French equivalent of 'Hi, Beautiful'. The interjection 'salut' means 'hello, hi' and 'goodbye, bye'. The feminine adjective 'belle' used as an adjective means 'beautiful'. All together, it's pronounced 'sah-lyoo behl'.

That's what's said to a 'beautiful' female. For a 'beautiful' or 'handsome' male, it's 'Salut, Beau'. It's pronounced 'sah-lyoo boh'.