Autumn Sage Nails: Sage is a trendy color for fall. Its muted, gray-green shade adds a touch of sophistication to your nails, making it a perfect choice for both casual and formal occasions. Fall is the season of cozy sweaters, pumpkin spice lattes, and, of course, fabulous nail art. If you’re looking for inspiration to up your nail game this autumn, you’ve come to the right place.