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 green" is a dark green color created by mixing Prussian blue and Gamboge. It is displayed on the right. Hooker's green takes its name from botanical artist William Hooker (1779–1832) who first created a special pigment for leaves. Displayed at right is the color "jungle green". In 1990, Crayola named and formulated this specific tone of jungle green. The first recorded use of "jungle green" as a name of a color in the English language was in 1926. "Laurel green" is a medium light hue of greenish gray similar to asparagus, but lighter. The first recorded use of "laurel green"