Red green

Red green may refer to:

In politics:

• Eco-socialism, an ideology merging aspects of Marxism, socialism, green politics, ecology and alter-globalization
• Red-green alliance, an alliance of "red" social democratic or democratic socialist parties with "green" environmentalist parties
• Red-Green Alliance (Denmark), a Revolutionary socialist political party in Denmark
• Red-Green Coalition, a centre-left coalition of Norwegian parties
• Red-Greens (Sweden), a cooperation of red-green political parties in Sweden

In entertainment:

• Red Green (ice hockey) (1899—1966), Canadian professional ice hockey left winger
• The Red Green Show (1991—2006), a Canadian television comedy

In science:

• Red-green color blindness, the inability to perceive differences between some of the colors that others can distinguish
• RG color space, a color space that uses only two colors, red and green