Add your own colors to your brand management panel. Open any document and go to file > brand assets > colors
Click on the “+” in Brand Colors to select your brand’s colors or to specify their exact hex codes.
If you choose to edit the color, the menu will allow you to update the color or change between RGB and CMYK color profiles.
If you are going to make materials for both print and digital use, then it is important to set RGB and CMYK versions of your brand colors. Learn more about the importance of the color profiles here.