Windows 11 Task Bar Color [new] -

The taskbar remains either dark gray or light gray, never fully colored.

If you want the taskbar to be fully transparent (invisible) rather than colored, Windows 11 does not have a native toggle for this, but you can force it: windows 11 task bar color

By default, the option to apply a specific color to your taskbar might be greyed out. This is because Windows 11 only allows custom taskbar colors when the system is set to Dark Mode. The taskbar remains either dark gray or light

This is the primary way to change the taskbar color. This is the primary way to change the taskbar color

Unlike previous versions of Windows (such as Windows 10 and 7), Windows 11 removed the direct "Taskbar color" picker from the Settings app. You can no longer change the taskbar color independently without also changing the Start menu, Action Center, and window borders.