When you create a calendar, it takes up a default color available in the color palette of Google Calendar. This color is applied to all the events you create within the calendar.

You can explore color options and the associated codes online and copy copy and paste it using the following steps. How to change the color of your whole calendar on your desktop Open Google Calendar.

You've got lots of options when it comes to changing the look of Google Calendar. Here is a guide to all the settings you can play around with on the web.