You can change the Start menu to any custom color you want, but that will, by default, change the Taskbar to the same color.

Microsoft has started rolling out the new Start menu for Windows 11, which we previously did a deep dive preview on. Both versions 24H2 and the newer 25H2 of Windows 11 can use the new Start menu.

Windows 11 KB5067036 is rolling out with a new Start menu, a "Ask Copilot" shortcut in the File Explorer, faster Windows ...

When you use Windows, the operating system quietly takes note of your habits to help streamline your experience. It customizes the Start menu so you can reach your most used apps and files more ...