Background colour

Show

Always visible Useful for when a Background Image is shown.

Visible on scroll Useful for when Position is set to Sticky.

The page may not scroll if Bookmarks are not shown.

May not be visible if Layout Alignment is Horizontal as the Bookmarks won't pass under the header.

Theme colour Use the Background colour defined by the Theme.

Custom colour Override the Theme colour.

Hue

Saturation

Lightness

Red

Green

Blue

Opacity

Corner radius

May not be visible if Theme Radius is set to 0.