Grey as an elephant's hide, especially one that was really, really big.
Jumbo is a neutral grey.
It can be described as neutral, medium and colorless.
Set in black, because black reads best on it.
Jumbo, also known as Jumbo the Elephant and Jumbo the Circus Elephant, was a 19th-century male African bush elephant born in Sudan. Jumbo was exported to Jardin des Plantes, a zoo in Paris, and then transferred in 1865 to London Zoo in England. Despite public protest, Jumbo was sold to P. T. Barnum, who took him to the United States for exhibition in March 1882.
Read on WikipediaJumbo is a 2008 Indian animated adventure film directed by Kompin Kemgumnird, produced by Percept Picture Company and features the voices of Akshay Kumar, Lara Dutta, Dimple Kapadia, Rajpal Yadav, Asrani, and Gulshan Grover. Jayveer Singh, aka Jumbo, is a little elephant who tries to find his father, and the journey of finding his father made him a war elephant. The film is a Hindi remake and Hindi dubbed version of the 2006 Thai film Khan Kluay, which is based on "Chao Praya Prab Hongsawadee" by Ariya Jintapanichkarn.
Read on WikipediaProper noun