What is the role of the grooms mother?
Traditionally speaking, the mother of the groom is responsible for planning and hosting the rehearsal dinner with the grooms' father (typically) the night before the wedding. Ask the mother of the bride if you need help contacting and coordinating roles with the bride's side of the family.
Can mother of the groom wear gold?
If your wedding is a formal one, some mothers of the groom might prefer to wear shades of gold, dark silver, or even black. Other darker colors that might be worn include shades of : Navy.