Green is the color between blue and yellow on the spectrum of visible light. It is evoked by light with a predominant wavelength of roughly 495–570 nm. In the subtractive color system, used in painting and color printing, it is created by a combination of yellow and blue, or yellow and cyan; in the RGB color model, used on television and computer screens, it is one of the additive primary colors, along with red and blue, which are mixed in different combinations to create all other colors.

The extension .green is a generic top level domain (gTLD) The Internet Corporation of Assigned Names and Numbers (ICANN) delegated the .green extension to the Domain Name System (DNS) in June 19, 2014.

Green is a color.

Groen (English: Green; , ), founded as Agalev (see name-section below), is a political party in Belgium based on green politics. Groen is often the smallest Flemish party with a representation in the federal, regional or European parliament. Its French-speaking equivalent is Ecolo; both parties maintain close relations with each other.