You can currently see the past days marked with different colors.
This is what it means:
  • Date marked green: This means that you have been tracking the food that day and that you have reached your goal / stayed within your calorie goal.

  • Date marked black: You haven't tracked any food that day.

  • Date marked red: You have tracked that day and exceeded your calorie goal set.

  • Pink dot under date: You have exercised on that day.

  • Green filled in circle around date: The day currently chosen in the diary.

  • Green circle around date: Current date (if you have chosen a different date in the calendar).