The color considered a sign of safety is typically green. Green is often associated with nature, renewal, and vitality, which contributes to its perception as a safe color. It is commonly used in various safety symbols, such as emergency exit signs, and is associated with safe actions, like "go" in traffic signals. The psychological effects of green are generally calming and reassuring, making it an ideal choice in safety contexts. Additionally, many safety equipment and signs leverage this color to facilitate quick recognition and understanding in urgent situations.