Gradient transition colors

Quick answer：

Gradient transition colors refer to the gradual blending of two or more colors in a smooth, seamless manner. This technique is commonly used in graphic design, web design, and digital art to create visual interest and a sense of depth. It involves defining a color spectrum that transitions from one color to another over a specific area or object. In web design, CSS can be used to create gradient transitions, while in graphic design, various software tools like Adobe Photoshop or Illustrator are used.