Golf ball coating composition

A golf ball comprising a core and a cover of at least one layer enclosing said core, the ball being painted on its surface with the coating composition comprising a base resin paint and a fluorescent whitening agent, said fluorescent whitening agent being a 7-triazinylamino-3-phenylcoumarin derivative of the following general formula (1):

• wherein A is a phenyl group which may have a non-water-soluble group, X is a halogen atom, amino group, primary amine residue or secondary amine residue, and Y is a phenyl group, halogen atom, amino group, primary amine residue or secondary amine residue, and the added amount of said fluorescent whitening agent being from 0.01 to 2 parts by weight per 100 parts by weight of all non-volatiles in the coating composition, and said cover having a Shore D hardness of 40 to 55.