Definition of "red-green" [red-green]

• Of a reddish-green color: as, the red-green carpet (a British moth).

The Century Dictionary (Public Domain)

• "The Greens are pushing for a red-green coalition to substitute the present 'grand coalition' between Socialists and Populists."
• "The way it actually works is we have three sets of primary colours paired off into “opponent processes” — white-black, red-green, yellow-blue."
• "I gave the 3-D a shot, but with the red-green eye pieces drowning out so much of the film's amazing color, I gave it up."