1) Log into the Admin Console using an admin account
2) From the left-hand menu, select Configuration, then Admin Branding
3) You'll see that they're several options available as shown in the screenshot below
The following table contains an overview of the available options:
Site Terms and Conditions URL
Customize the URL behind the site terms and conditions link displayed on the admin console.
Copyright Text in Footer
Change the text displayed as the copyright information on the admin console.
Specify an Internet-accessible location. The image file format must be an SVG or PNG with a minimum height of 75px and a maximum height of 100px.
Here you will see a preview of the logo image provided via the Logo URL. The logo preview will only be available if the image meets the image requirements.
The Primary Color must be defined in hexadecimal format.
The Background Color must be defined in hexadecimal format.
Advanced CSS Configuration
Here you can specify any CSS override values for Admin Console branding. This enables any design element of the login, Admin Console Dashboard and self-service components to be branded beyond the capabilities of basic configuration.
4) Once you selected your desired logo and color scheme, click 'Save' at the bottom of the page. Any changes will be applied and will be immediately visibleat the login, the my account page, and the admin console menu.