Gradient color recommended combinations

Quick answer：

Gradient color combinations are popular in design for creating a sense of depth and visual interest. Recommendations vary depending on the intended use, but common combinations include complementary colors, analogous colors, monochromatic shades, and color gradients with a gradual shift from light to dark or vice versa. These combinations can evoke different moods and emotions, and it's important to consider the context in which the colors will be used.