BrandGuidelines

Settings that control the visual appearance of your brand in a campaign's automatically generated assets and formats. Only applicable to Performance Max campaigns.

Fields
main_color	string The main brand color, entered as a hex code (e.g., #00ff00). You must provide the main_color if you provide an accent_color.
accent_color	string The accent brand color, entered as a hex code (e.g., #00ff00). You must provide the accent_color if you provide a main_color.
predefined_font_family	string The brand's font family. Must be one of the following Google Fonts (case sensitive): Open Sans, Roboto, Montserrat, Poppins, Lato, Oswald, Playfair Display, Roboto Slab.