How do you color the panels on your toolbar extension

Hi im creating a toolbar via. learnrevitapi,com

and im wondering how do you change the color of the panel (the marked area)

im using pycharm

i can see DiRootsone have the coloring i want

i have tried yalm codes like this, what am i doing wrong?

Solution was:

background:
panel:
title: ‘#2B2171
slideout:

you just need to put it in the yalm coding withing you folder

Hi @NLG2804 and Welcome,

Please share your code samples whenever you have a specific question like this

Take a look at this page, it contains the info needed
pyRevit Bundles - yaml content