Windows 10 allows the user to set a color for the title bars of application windows. By enabling this, the title bar of the active window will have the chosen color and the title bars of inactive windows are grey. This title bar coloring difference between active and inactive windows aids me a lot when working on multiple displays where multiple windows are open.
This active title bar color can be enabled as follows:
The title bar should take immediate effect.
Sadly, many applications do not use the Windows title bar color setting and use their own title bar color. Worse, their title bar color remains the same, no matter if that application window is active or not in focus.
Here is a list of some applications where I was able to make them switch to the native title bar colors: