EUGENE, OR - OCTOBER 19: Cornerback Avery Patterson #21 of the Oregon Ducks gets his team fired up before the game against the Washington State Cougars at Autzen Stadium on October 19, 2013 in Eugene, Oregon. (Photo by Steve Dykes/Getty Images)

Colors in the rainbow observed by Isaac Newton: 7.

Combinations of Oregon football uniforms: Way, way more.

“Nothing is off the table,” Nike creative director Todd Van Horne after Oregon showed off a metallic green helmet in 1999, according to UniformCritics.com.

Showing just how far the team has shaken up its own look over the years, Oregon rocked throwback 1994 uniforms against the Washington Huskies on Oct. 18.

In their own way, those classic '94 uniforms seemed revolutionary in a college football landscape that has been irrevocably altered by the trailblazing, retina-challenging gear that Oregon has rocked in the ensuing 20 years. Here are a few dozen photographs of those audacious uniforms: