Cases of promotional posters composed of gradients

Quick answer：

Gradient compositions in promotional posters are a popular design technique that uses smooth transitions between different colors to create visually appealing and attention-grabbing visuals. These designs often use gradients to highlight key elements or convey a specific theme. Common examples include color transitions from top to bottom, or using gradients to simulate lighting effects. Designers might use software like Adobe Photoshop or Illustrator to create such gradients, and they can be found in various industries such as advertising, entertainment, and fashion.