Select "Automatically pick an accent colour from my background" to ensure your taskbar always complements your desktop wallpaper.

: Pick a color from the grid or click View colors for a custom shade.

The taskbar color is a feature that allows users to personalize the appearance of their Windows taskbar. Here's a brief report:

Scroll down and turn on "Show accent colour on Start and taskbar." How to Change Taskbar Colour in Windows 10