Green Cross (chemical warfare) The mixture was chlorine-phosgene, with 95% and 5%. Green Cross (chemical warfare) Green Cross (Grünkreuz) is a World War I chemical warfare pulmonary agent consisting of chloropicrin (PS, Aquinite, Klop), phosgene (CG, Collongite) and/or trichloromethyl chloroformate (Surpalite, Perstoff). Green Cross is also a generic World War I German marking for artillery shells with pulmonary agents (chemical payload affecting the lungs). The tip of the projectile with the fuse end painted green and a green cross at the bottom of the cartridge. Other Green Cross mixtures were based on phosgene and/or diphosgene. The first use of Green Cross was on May
Shades of green for certain computer uses. "Fern green" is a color that resembles ferns. A Crayola crayon named "fern" was created in 1998, which is a lighter shade of the top color shown on the right. The first recorded use of "fern green" as a color name in English was in 1902. "Forest green" refers to a green color said to resemble the color of the trees and other plants in a forest. The first recorded use of "forest green" as the name of a color in the English language was in 1810. Displayed at right is the color "green earth". "Hooker's