Fundamentals of Colorimetry Vividly Explained
Visual color perception is influenced by our individual color preferences depending on our personal experience and memory, varying environmental conditions such as lightness and color, as well as on the deficiency to communicate and document color.
The CIE standardized light source and observer guarantee an objective description of colored objects. Only the use of standardized color instruments with internationally specified color systems can solve the shortcomings of visual perception. More…
A standard illuminant and observer are required in order to obtain color readings.
Photo courtesy of BYK-Gardner.
Color instruments and software packages all contain references to CIE standard illuminants and observers. What do these terms mean and how are they used in practical color evaluations? The CIE (from the French Commission Internationale de L’Eclairage), or International Commission on Illumination, is the worldwide authority on how we see and measure color. BYK-Gardner uses many of these standards in its instruments and available software packages. This paper will give some easy to understand explanations of these standards and how they should be used.