Choose three goals from settings, default goals are steps, calories, and distance.
Two colors for the background gradient either with the color picker or by entering a hexadecimal code
Hex codes start with "#", contain 0-9 and a-f, and are six digits long. If your code isn't valid, the color will not change!
Tap the screen to switch between the text version of stats:
heart rate, steps, calories, distance, active zone minutes, and elevation gain (in floors)
No free version, currently
To access the settings page in the Fitbit app, click on your device on the "Account" page. Choose "Clock Faces", select this clock face, and select "Settings" on the bottom. These are screenshots of the paid version's settings.
If you toggle between text input and color selector, it will display the last color you entered
Double check that any text hex code starts with a "#"