How to Clear Recent Accent Color History in Windows 10& 11
Windows 10 allows you to save and select from the last 5 accent colors, but there's no option to clear the history. We can clear the accent color history by editing the registry or using our registry file.
Clear Recent Accent Colors in Windows 10 - Registry Files
Double-click Clear Recent Color History.reg to clear the color history.
Click Yes when prompted by User Account Control. Click Yes when prompted by Registry Editor.
Click OK when prompted by the Registry Editor.
Close all applications before proceeding. When you right-click on your new Context Menu, you will have to click Yes at the prompt, and then you are notified that Windows will shut down within a minute.
Clear Recent Accent Colors in Windows 10 - Registry Edit
Editing the registry has the advantage of easily deleting the color history, but more importantly, you can delete one or more colors from your history.