"It's green."
Green Orion booze in a bottle
Green was a color. One notable shade was Lincoln green. (TNG: "Qpid")
Vulcan blood was green due to its chemistry being based on copper. (TOS: "Obsession") Collard greens were sometimes referred to simply as "greens". (TNG: "The Neutral Zone")
In the Earth fairy tale The Kingdom of Elysian, the color green was associated with Princess Thalia and was used for identifying her territory on maps of the Kingdom of Elysian. (SNW: "The Elysian Kingdom")
On Federation star charts of the 23rd century and 24th centuries, the color green was used for Romulan territory and locations and for Gorn territory and locations. In the 32nd century, green was used for Emerald Chain territory and locations. (SNW: "Strange New Worlds"; PIC: "Maps and Legends", "Subspace Rhapsody"; DIS: "Scavengers")
A green-skinned Vulcan
In 2151, Gaby sent a drawing of a green-skinned Vulcan with big ears and an IDIC pin – titled "Vulcan" – to the crew of Enterprise NX-01. (ENT: "Breaking the Ice")
USMC officer's uniform
The officer's uniform of the United States Marine Corps was a shade of green. (TNG: "Encounter at Farpoint")
The micro-charges placed by Malcolm Reed on the inside of a wall sculpture in the atrium of the Vulcan monastery at P'Jem in June 2151 blinked green. (ENT: "The Andorian Incident")
Keene in a green pullover
In August 2151, Captain Keene was wearing a pullover in several shades of green. (ENT: "Fortunate Son")
According to Montgomery Scott, one of the theories about the disappearance of the USS Franklin involved a giant green hand. (Star Trek Beyond)
In 2266, after being stopped by Balok's cube, all of the decks of the USS Enterprise reported green. James T. Kirk dismissed his dietary salad as "green leaves". (TOS: "The Corbomite Maneuver")
In 2367, while trying to choose clothing for her date with Timicin, Lwaxana Troi wondered aloud whether he liked green. (TNG: "Half a Life")
In 2268, Montgomery Scott was at a loss to describe an alcoholic beverage to Tomar, and settled on "it's green." (TOS: "By Any Other Name")
A green drink aboard the USS Defiant
That same year, the USS Defiant has a bright green drink aboard when it was pulled into an interphasic rift. (ENT: "In a Mirror, Darkly, Part II")
As a child, Worf knocked over a big green lamp in the Rozhenko family home, something his son Alexander Rozhenko also did. In 2368, Helena Rozhenko mentioned this to Worf with fondness, something which confused him, as he didn't recall her smiling over his exuberance. She admitted that she might have done so once when he wasn't looking. (TNG: "New Ground")
Data pouring green Aldebaran whiskey in 2369
In 2369, Data described Aldebaran whiskey to Scott as simply being green. (TNG: "Relics")
Aside from Beverly Crusher and her mother Isabel Howard, all of the Howard family women had green eyes. Crusher mentioned this in 2370 after Deanna Troi commented on Felisa Howard's remarkable green eyes. (TNG: "Sub Rosa")
In 2371, after Jadzia Dax, upon seeing the seas of Earth, wished they were more purple, Kira Nerys wished they were greener. (DS9: "Past Tense, Part I")
In 2374, "Lumba" suggested that Slug-o-Cola change its slogan to "Drink Slug-o-Cola and keep your teeth a sparkling shade of green. (DS9: "Profit and Lace")
In 2375, after seeing Vic's lounge rake in the profits following his takeover, Frankie Eyes questioned whether Kira Nerys had ever seen a prettier shade of green. (DS9: "Badda-Bing, Badda-Bang")
In the 32nd century, the holographic bird alarm clock owned by Aditya Sahil would change its color daily, with green being one of the colors. (DIS: "That Hope Is You, Part 1")