Is it feasible to modify the default color picker that Windows employs?

In certain situations, Windows employs its own built-in color picker that cannot accommodate hexadecimal values, which I require in some instances. Rather than seeking out an online tool to select a hex color, of which there are many, I am seeking a method to alter the default color picker dialog in Windows.

This is a depiction of the dialog for those who may not be familiar with it:

The location of the feature can be accessed via the “Add Colors” button in Paint. Moreover, numerous third-party applications utilize this feature, such as WinMerge.

Askify Moderator Edited question May 2, 2023