Windows 10: Accent colors changing

I use three PC's on a daily basis. Each has its own keyboard and mouse. Periodically each of the three will change the accent colour of the taskbar without input from me. I find this frustrating because I use colour for each computer set-up - so the accent colour, and colored dots on the mouse and keyboard are the same, so I know which keyboard goes with which computer etc. How can I make these colours stay to what I set them at. I would say the accent colour changes about every 2 weeks on each computer.

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accent color

The accent color (primarily the red shades) are missing in window 10 and do not know why. Any suggestion how to get the original window 10 accent colors back? Thank you.

 

accent color

I have all the colors listed above. The shade of red is missing from above accent colors and is also missing from mine. I used to have the shade of red and like to get it back. I like to know how to update the driver of accent color in window 10.
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About Accent Color

I want to Change accent color from blue to White.But there is a notification says"This Color is Not Supported"

How to change the accent color.