Opal that displays a play of color throughout the whole stone from edge to edge. Back
Printing process where all four colors, (cyan, magenta, yellow, black) are printed to create a full range of colors (as found in color photographs or artwork). This is also referred to as process color.
See Four Color Process.
Having all colors (as in a color photograph) because of the use of CMYK inks. Also known as 4C.
Coloring of an image to respresent the natural subject colors as closely as possible, as in color photography.