Certainly not the Mishkan, where the Kohen Godol was clad in light colors, mainly sky blue, as per the pictures in the various books on the Mishkon.
According to Kabboloh, on Shabbos one should not be wearing black which is color of Saturn god, but should have at least 4 white items of clothing.
Come Memorial Day in another month, and we are back to the wonderful Minhog of white straw hats thru Labor Day.