Crimson, bordeaux, dark blue, indigo, champagne, camel beige are all acceptable, and the tailoring should be generous and decent, and those exaggerated and fancy decorations should be discarded, dignified and neat. Skirts and trousers are ok, but don't drag them.
Mom chooses a wider range of clothes at the wedding, such as wearing cheongsam or Tang suit, but it requires her to be in good shape. If she is a little fat, it is recommended to wear an evening dress or a dress, so the clothes are looser. In addition, remember to be dignified at the wedding and never wear too revealing clothes.