Design Gradient Blocks

Quick answer：

Gradient blocks are used in design to create a smooth transition between two or more colors. They are often used in web design, graphic design, and UI/UX to add visual appeal and guide the user's eye through different elements of a design. To design gradient blocks, one would typically use graphic design software like Adobe Photoshop or Illustrator, where various gradient tools and options are available to customize the colors and direction of the gradient.