You can customize the background color of the sidebars.
Prerequisite
You have created your own modification set.
You have the Portal administrator function privilege.
Procedure
Click Application launcher >
Administration. The Administration opens with the
Configuration view.
Click Portal > Manage configuration sets. All available configuration and modification sets are displayed. You can edit the modification sets.
Click Edit in the row of the relevant modification set.
Click User interface.
Scroll to Basic settings.
Click the color indicated in the Color for sidebar background line. Customize the sidebar background color .
Click OK.
Click Back. The Application management page is displayed.
You have changed the left and right sidebar.
Example
Default sidebar:
Sidebar with light blue background: