Below are the options available in Appearance Customize Colors & Background Content

1. Text Color: This color is applied to the body text of the entire site.
2. Theme Color / Link Color: This color will set as a default color for all links in primary content area.
3. Link Hover Color: This will apply a link hover color in primary content area.
4. Highlight Text Color: This will set a color for selected text.
5. Background Color: This color will be applied as a background color to the body on entire site. (Only for Separate and Boxed layouts)
6. Background Image: This will set background image to the body on entire site. (Only for Separate and Boxed layouts)
7. Background Image Settings: Background image settings like Position, Attachment, Repeat and Size.
8. Container BG Color: This color will be applied as a background color to the container.
9. Primary Content Area BG Color: This color will be applied as a background color to the primary content area.
10. Main Border Color: This will set border color of elements that have not their own border color setting.
11. Headings Color: You can change colors for headings of the entire site. (H1 to H6)