Panels are a great way to put macros in and really enhance the look and lay out of a page.

To create Panels Make sure your page is in edit mode and you have a layout set up ready.

-Click the Insert More icon

Scroll to the bottom and click on Other macros

-Search for Panel 

-Insert the "Panel"

-Once selected it will let you configure it.

-Confluence has a number of colours you can use by typing there name but if you want a specific colour you can use hex codes to get the colour you want

-To edit or remove panel just go into edit mode and click on it and select edit/remove

Tip:

-Go into edit and have a look at the set up on the panels bellow