1990 was the year Crayola expanded their fluorescent line to include another eight colors. In addition to expanding them, they also took the opportunity to rename the other original colors by giving them more descriptive names while dropping the “FLUORESCENT” reference from the name. That made sense since they had been including them into standard assortments as far back as 1973 and this change brought a consistent look to the entire No. 72 assortment; their largest assortment size up to this point.
They redesigned a new box called “Hot Fluorescents” that was a full sixteen assortment size and contained: atomic tangerine, blizzard blue, electric lime, hot magenta, neon carrot, vivid watermelon, outrageous orange, magic mint, radical red, purple pizzazz, razzle dazzle rose, screamin’ green, shocking pink, unmellow yellow and laser lemon.