Abstract

Publisher Summary This chapter shows the way color measuring instruments and calculations simulate what people see, describes several of the multi-dimensional color spaces within which the results of color measurement can be plotted and color atlases that may be associated with those color spaces. The chapter discusses the way to calculate the color difference between two samples and provides some guidance on setting color tolerances. There is a section on the instruments and techniques for making reflectance measurements on opaque, translucent, fluorescent, metallic and pearlescent samples. There are also sections on measuring the transmittance of transparent materials and on measuring lamps, light sources and displays (television and computer monitors). The chapter discusses colorant mixing and computer color matching. Many of the references given refer to standard test methods and practices that provide details on making color measurements and related calculations.

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