It is possible to configure your Google Calendar so that past events are dimmed, leaving up-coming events highlighted allowing you focus on what's next!
To do this;
1) Navigate to and open your Google Calendar.
2) With your Google calendar open. Navigate to and click on the Cog icon in the upper right corner, then click on Settings.
3) Scroll down the Settings menu till you see the View section. Here you will see an option 'Reduce the brightness of past events'. Enable this settings by click on the box to the left of the setting. The changes will be applied straight away.
Before
After
Notice that all events before the current day / date are 'dimmed' compared to upcoming events.