“…However, due to factors such as age, education, culture, and geographic area, individuals often associate specific colors with specific images that may not be universal [ 17 , 18 , 19 ]. This likely explains why colors that have less culturally engrained meanings, such as black, silver, purple, or orange, are used for a broader range of emergencies, while colors such as red and pink are nearly universally used for fire and pediatric incidents [ 14 , 16 , 20 ]. In fact, surveys of hospital emergency codes in California [ 12 ], Colorado [ 21 ], Florida [ 22 ], Oregon [ 13 ], and Puerto Rico [ 23 ] have indicated there is significant variation among different hospital emergency code systems.…”