Google Calendar - How to Change the Calendar Color
Here is a video on how to change a calendar's color, if you prefer.
First, if you are viewing your calendar in full screen, click the "pancakes" (three stacked bars) to view the mini-calendar and list of all your calendars -
For the calendar you want to change color of, mouse over until the "Options" pop-up (also called the "More menu" - the three stacked dots) -
Click on the Options, and then you can select the color you wish the calendar to be -
If the provided colors are not enough for you, click on the plus under the colors -
You will be able to pick from a million plus colors. Literally.