Green symbolizes go in its use in traffic signals, railway signals and ship signals. It is also the color of informational and directional signs. Fire escape exit signs are green in some countries, but red in others.
In the Middle Ages, green represented evil or demonic beings (including dragons) and sometimes love.
In heraldry, green is called vert.
In North American stock markets, green is used to denote a rise in stock prices. In East Asian stock markets, green is used to denote a drop in stock prices.
In night vision goggles, the color green is used to display the enhanced image because the human eye is able to discern the most shades in that color.
In auto racing a green flag signals the start or resumption of a race.
Because of its camouflage properties, green is typically used for the field uniforms for many military services. It is also used as the dress uniform for many land forces and marines.
Green is a symbol of Ireland, which is often referred to as “the Emerald Isle”. The color is particularly identified with the republican and nationalist traditions in modern times. It is used this way on the flag of the Republic of Ireland, in balance with the unionist orange.
Green also serves as a symbol of the Esperanto language. The color is particularly associated with the green star, and is seen too on the Esperanto flag.
Green is the traditional color of Islam, likewise because of its association with nature. Muhammad is reliably quoted in a hadith as saying that “water, greenery, and a beautiful face” were three universally good things.
The Green Screen was the common name for a monochrome CRT computer display using a green P1 Phosphor screen.
The emotion of envy is traditionally associated with the color green.
In the Qu’ran, sura Al-Insan, followers of Allah in Jannah wear fine green silk.
Green is the color of the snooker ball which has a 3-point value, and is also a common color for the baize on a snooker table.
The Green Lantern is a DC Comics superhero.
The Green Arrow is a DC Comics superhero.
Green is the color generally associated with Plaid Cymru, the Welsh political party – but not for reasons of its political ideology.
British racing green is a popular color for cars. It was made famous by the likes of Bentley in the early 20th Century. It is the traditional color for race cars sponsored by British automakers.
One video and film compositing technique uses a Greenscreen or Bluescreen.
In The Fifth Element, green is a fad expression popularized by talk show host Ruby Rhod indicating something trendy or stylish.
It’s Not Easy Being Green – a popular song by Kermit the Frog.