The logo has gone through changes over time, including its color (from brown to green) in 1987, followed by a more modern adaption in 1992 when Starbucks became a publicly traded company.

In 1987, Starbucks merged with the expresso brand Il Giornale which inspired a new logo. This is when green became the company's signature color, the siren began to look more modern, and their ...

In 1987, the color went from brown to green, and then the logo design got a modern makeover in 1992 when Starbucks became a ...