This article explains how to change the color of the taskbar in Windows 10.
How to Change Taskbar Color in Windows 10 [Tutorial]
Windows 10 gives you the ability to choose the color of your taskbar. If you don’t want fine control over the color, you can simply switch between light and dark mode to change the color of your taskbar. You can also access Windows Settings via the Start Menu for some color customization options, including the ability to change the color of the taskbar to whatever you like.
Here's how to change the color of the taskbar in Windows 10:
Click Start > Settings.