USF Official Logo and Colors
While USF's colors have always been green and gold, the university established a new visual identity in 2003 with the launch of a new logo and brand identity. The new logo portrays the university's aspirations toward becoming a nationally prominent Research 1 University. The green and gold color scheme uses a slightly darker green and shifts from yellow to a more golden hue. This classic design style is bold and crisp, and more versatile for a variety of needs and uses.
http://www.usf.edu/about-usf/traditions.aspx