Switch to Dark Theme in the Choose your mode section.

Go to Settings (Win + I) > Personalization > Colors.

Surprisingly, if one selects the Light theme in the Color option, users cannot change the taskbar color, or it happens to be greyed out. Users can set the Windows to use the dark mode, while the apps can be set to the light theme or vice versa. Alternatively, it also lets users completely customize the colors according to their wishes. With Windows, there are three ways to customize accent colors: users can either set it to use the predefined dark or light theme, which applies to all Windows items, including Start Menu, Taskbar, etc. These methods should resolve the issue from adjusting the color settings on Windows 11/10 to disabling automatic accent color. Here’s the list of methods we will be following to get the issue resolved. There could be a lot of reasons behind the taskbar’s color-changing option being greyed out. How To Fix Windows 11/10 Taskbar Color Not Changing In this post, I will guide you on how to fix Windows 11/10 taskbar color not changing. However, some users cannot change the taskbar’s color, or basically, the taskbar color setting appears to be greyed out. The taskbar is one of the key components of Windows, which users regularly view. Windows mainly also let you change the taskbar color alone. Windows 11/10 has a dedicated setting panel to personalize your PC varying from changing the overall theme to modifying selective colors. Customization is one of the primary reasons behind the success of Windows.

Windows 7 how to change taskbar color