Unable to modify redwood theme colourings from Visual builder

Summary:

We wanted to change the ribbon color on the redwood pages (Please find the screenshot)

However we are not finding any option for the same under visual builder.

Can you please help with this

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):