I want to change the color of public holidays

How to

1. Tap the image icon in the top left corner of the screen
2. Tap the "App Settings" button on the top right corner
3. Tap "Public Holidays" 
4. Set this option to "Hide" 
5. Import Public Holidays from your OS calendar (Google Calendar etc.)
   • Tap the colored circle on the left side of the external calendar title -> I want to share other calendars in TimeTree