Original: Maerz and Paul A Dictionary of Color New York :1930 McGraw-Hill Page 190 ; Color Sample of Cerulean : Page 89 Plate 33 Color Sample E6 The word is probably derived from the Latin word caeruleus , '' dark blue , blue or blue-green '' , which in turn probably derives from caelulum , diminutive of caelum , '' heaven , sky '' .
Simplified: Maerz and Paul A Dictionary of Color New York :1930 McGraw-Hill Page 190 ; Color Sample of Cerulean : Page 89 Plate 33 Color Sample E6 Meaning of cerulean Cerulean represents the '' sky '' or '' heavens '' , or sometimes the ocean .