gradient line color order recommendation

Quick answer：

When recommending a gradient line color order, it is often advised to use colors that complement each other and create a visually pleasing transition. Consider using a color scheme that starts with a dark color at one end and transitions to a light color at the other, or vice versa. The choice of colors can depend on the specific application or aesthetic preference. For instance, a common gradient in design might start with a deep blue and gradually lighten to a sky blue, while in web design, a gradient from black to white can be used for a dramatic effect. It's also important to maintain good contrast for readability.