Nail art gradient styles are designs where the color transitions smoothly from one shade to another, creating a seamless and visually appealing effect. These styles are popular due to their versatility and ability to suit various occasions. There are numerous gradient designs available, such as ombre gradients, which transition from dark to light shades, and solid gradients that offer a more uniform color blend. Photos of these designs can be found in beauty and fashion magazines, online nail art communities, and social media platforms.