The background color of an individual landing page can be changed by adding simple CSS to the head HTML section of a website page or landing page.
- In your HubSpot Marketing account, navigate to Content > Landing Pages or Content > Website Pages
- Locate and hover over the page in question and click Edit.
- Click Settings > scroll down to Page Settings under Advanced Options and click + Add Head HTML.
- In the pop-up window, insert the following code. Replace the color red with the color of your choice, either using the name or the HTML hex value.