White is traditionally associated with a quinceañera dress in older versions of the custom. The color can suggest purity and formality, reflecting the influence of Catholic and European ceremonial traditions.
Modern celebrants are not limited to white. Pink, blue, red, purple, gold, and many other colors are common, and some families choose dresses based on personal style, regional fashion, or a party theme.
A quinceañera gown may resemble a ball gown, with a full skirt and formal decoration. It should not be treated as a wedding dress: the event marks a fifteenth birthday and coming-of-age milestone, not marriage.