Милое - English is a poor language. It struggles to encompass the depth and warmth with which Russian/Ukrainian languages can describe something ordinary like a world Милый/Милое
Yes, sure it means cute. But it lacks depthб and it is difficult for a non-language-speaking person to grasp its colloquial meaning.

https://ru.wiktionary.org/wiki/%D0%BC%D0%B8%D0%BB%D1%8B%D0%B9

This gives a better explanation of this particular word widely used in RU/UA languages.

Cheers...