I believe more of a mysterious tone but im not for sure
Let me know if someone answers bc I have to do the same thing !!
Romeo doesn't want Juliet to be associated with the moon because the moon is less beautiful than the sun.
In fact, Romeo compares Juliet to the sun because she is out of his reach, very bright and beautiful, and is like the sun that guides him.
He calls the raven a prophet, a thing of evil, and a fiend