This Applets will turn your Phillips Hue lights to purple when any Google Calendar event that contains word "vote" is about to start.

If

Event from search starts

This Trigger fires a set number of minutes before the starting time of an event on your Calendar that contains a specific keyword or phrase in the event’s Title, Description, or Location. Ingredient will be based on the zone set in Google.

Then

Change color

This Action will change the color of your hue lights. NOTE: Accepts color names and CSS hex color values. Defaults to white if no color match is found. NOTE: not compatible with hue lux bulbs.