Hue is generally the most critical. followed by chroma. and finally lightness. munsell is a well-know color-order system that specifies surface color and has found wide acceptance in a diversity of color applications. munsell identifies the hue. value (lightness). and chroma (saturation) of a color using color chips of equal visual spacing. the chips are arranged on pages in a book. all the chips on a single page are the same hue, but they vary in value and chroma. the observer chooses the chips that best matches the color of the object being evaluted. the hips the color of the object being evaluated. the chip selected will have a notation that identifies the assigned hue, value. and chroma. visual color standards like munsell have long been used in various food applications to specify color.