Which colored candle represents the parliamentarian during the installation ceremony?

The candle that represents the parliamentarian during the installation ceremony is grey. This color is specifically chosen to symbolize the role of the parliamentarian, which includes maintaining order, ensuring the rules are followed, and providing guidance on parliamentary procedure. Each officer role in an organization like FBLA has a designated color that reflects their responsibilities, and grey is unique to the position of the parliamentarian, marking its importance in facilitating effective meetings and decision-making processes.