Pali ke kua, mahina ke alo
“Back (as straight) as a cliff, face as bright as the moon.”
Said of a good-looking person.
Source: Ōlelo Noʻeau, by Mary Kawena Pukui.
The full moon is seen here brushing against a tall, dark cliff at Miloli‘i, Napali Coast last August at about 3 a.m.