It’s personal, as in personalization.
Windows 10 Settings allows you to change taskbar colors as well as themes, fonts and backgrounds.
Let’s start by changing the Taskbar color:
Step 1 – Click on Settings from the Start menu
Step 2 – Click on Colors under Personalization on the Settings Home page
Step 3 – Choose a color from the color pallette
Step 4 – Check Start, taskbar and action centre after choosing a color and the taskbar will change to the color selected.