The gold, lavender, hot pink, red, black, and royal blue options are perfect for any occasion
For example, I own a dress from the brand that has a slightly more-casual style with buttons and milk-maid sleeves, but its thick, shiny material elevates it enough for a wedding (and it's comfortable enough to wear and dance in for six+ hours)
Olive Oil: You may omit the oil, but I prefer making my dressing with it to give it a smoother, richer consistency
They are just a tad more casual than a dress pant so I find that they work well in most academic environments (where style ranges from "I maybe just gone done hiking" to full business casual)
My dress has sold out now but there are similar ones on the site