The designation of Ancient, Modern and Muted have only to do with the colors used in the dying process, not antiquity.
The "Dress" Rose Tartan was made for Scottish Highland Dance Competitors. It was made by the Mills in Scotland for use by women Scottish Country Dancers and Scottish Highland Dance Competitors. The word "Dress" is a literal translation, as in a dress for women. The word "Dress" in no way means for "Formal Dress Occasions", by men.