What Do I Wear To A Sikhvarhina1 Year Death Funeral

I am a Sikh and i have to go to a death anniversary tomorrow morning at a gurdawara. I Do not Know What to wear ... i live in the U.S. So Would it be ok to wear pants nd a nice shirt or does it Have to Be a follows ... aussi, What Color Should It Be? I Have One goal I've worn white after it a lot and Its rly ugly. IS blue baby pink gold ok? thanksss:)

PEACE:)> -