Eggshell is an off-white colour, similar to the colour of a chicken's egg, often used for interior walls and ceilings and for wedding gowns. White is a Color, the perception which is evoked by Light that stimulates all three types of color sensitive Cone cells in the Human eye The chicken ( Gallus gallus, sometimes G gallus domesticus) is a domesticated Fowl which is traditionally believed to have descended from In most Birds and Reptiles an egg ( Latin ovum) is the Zygote, resulting from Fertilization of the Ovum. A wedding dress or wedding gown is Clothing worn by a Bride during a Wedding ceremony