Seven shades of gradient

Quick answer：

In the context of graphic design and color theory, 'Seven shades of gradient' refers to a color scheme that employs seven different shades or hues of a single color, gradually transitioning from one to another to create a smooth, visual effect. This technique is often used to create aesthetically pleasing backgrounds, interface elements, or visual storytelling. Gradients can evoke emotions, direct attention, and enhance the overall user experience in digital media.