# Dropbox::Sign::SubWhiteLabelingOptions An array of elements and values serialized to a string, to be used to customize the app's signer page. (Only applies to some API plans) Take a look at our [white labeling guide](/api/reference/white-labeling/) to learn more. ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | `header_background_color` | ```String``` | | [default to '#1A1A1A'] | | `legal_version` | ```String``` | | [default to 'terms1'] | | `link_color` | ```String``` | | [default to '#00B3E6'] | | `page_background_color` | ```String``` | | [default to '#F7F8F9'] | | `primary_button_color` | ```String``` | | [default to '#00B3E6'] | | `primary_button_color_hover` | ```String``` | | [default to '#00B3E6'] | | `primary_button_text_color` | ```String``` | | [default to '#FFFFFF'] | | `primary_button_text_color_hover` | ```String``` | | [default to '#FFFFFF'] | | `secondary_button_color` | ```String``` | | [default to '#FFFFFF'] | | `secondary_button_color_hover` | ```String``` | | [default to '#FFFFFF'] | | `secondary_button_text_color` | ```String``` | | [default to '#00B3E6'] | | `secondary_button_text_color_hover` | ```String``` | | [default to '#00B3E6'] | | `text_color1` | ```String``` | | [default to '#808080'] | | `text_color2` | ```String``` | | [default to '#FFFFFF'] | | `reset_to_default` | ```Boolean``` | Resets white labeling options to defaults. Only useful when updating an API App. | |