Christmas nails are a popular trend during the holiday season, where people decorate their fingernails with festive designs and colors. These designs can range from simple and elegant to more elaborate and creative. Some common themes for Christmas nails include snowflakes, holly, Santa Claus, and other holiday symbols. It is common for people to use red, green, and white colors on their nails for a traditional Christmas look. Different popular colors for Christmas nails include gold, silver, and blue.