1. Navigate to Manage Business > Workspaces.
2. Choose desired workspace and click Booking Page Themes.
4. Click the last tile of the color palette available under Color Options.
Background Color : The color of the canvas on which the various booking page elements (business text, controls and appointment booking button) are put up.
Text Color : The color of the business text (except that of the appointment booking button).
Button Color : The color of the appointment booking button (and also of icons of the other controls in the booking page).
Button Text Color : The color of the text contained in the appointment booking button.