The appearance of the survey can be customized to closely match your website design and color themes.
Light vs Dark theme will adjust the background color of the survey to either white or black.
The Accent Color is for the button background and outlines for the answer choices. For example, selecting a blue color will look like this:
A custom accent color can be selected by clicking on the color picker icon:
Depending on your OS and Browser you will see a slightly different color picker menu.
If the menu has a pencil available, you will be able to drag the pencil to anywhere on your page and pick a matching color. This can be handy if you would like the survey colors to match your brand/website.