Highly toxic insecticide, according to insecticides rules, are coded as-
Toxicity colour labels of pesticides In India Red label: Extremely toxic Zinc phosphide Yellow label : Highly toxic Endosulphan Blue Label : Moderately toxic Malathion Green label : Slightly toxic Mosquito repellants Ref: Insecticides Rules 1971, Central Insecticides Board, India
Red
Green
Yellow
Blue
Environment and health