On Windows 10, you can customize the desktop virtually any way you want with different color modes, transparency, and accent colors.
If you’re using a custom background on the desktop, you can also enable an option to set the accent color of the Start menu, taskbar, and action center to match the base color of the image automatically.
How to change accent color automatically on Windows 10
Use these steps to change the accent color of the desktop automatically on Windows 10:
Open Settings on Windows 10.
Click on Personalization.
Click on Colors.
Under the “Choose your accent color” section, check the Automatically pick accent color from my background option.
Once you complete the steps, Windows 10 will analyze the image, and it’ll change the accent color based on the most prominent color in the current background.