No, it's the expected color for its type, and for that matter, it's yellow or orange-ish yellow when ripe.
It is not an orange.
I'll give this as a free answer then, since there's a bit of variation on what is classified as citric and what is associated with names. It is not a sub-type of any well-known citrus fruit. It is its own named citrus fruit.
No, it is not smaller than a golf ball
3 questions left.