The color robin egg blue is displayed at right. It is a web-safe color and an official Crayola color. In the early 1990s, the crayon was originally included unlabeled in Crayola boxes, and purchasers were asked to submit ideas for the color's name.
Robin egg blue, also called eggshell blue, approximates the shade of the eggs laid by the American Robin.The first recorded use of robin egg blue as a color name in English was in 1873.[Source]