#Macbeth color checker values Patch#
Because the chart’s visual appearance is so well known in the photographic community Aardenburg Imaging repurposed its 24 assigned colorimetric values as the core group of color patches in our standard 30 patch color target we use to test lightfastness of modern inks and media. The venerable Macbeth ColorChecker chart has shown an amazing resurgence in use and popularity in the digital photography era, proving especially popular in digital camera profiling applications and for many print quality control tests as well. The chart’s color patches have spectral reflectances intended to mimic those of natural objects such as human skin, foliage, and flowers, to have consistent color appearance under a variety of lighting conditions, especially as detected by typical color photographic film, and to be stable over time.” The ColorChecker was introduced in a 1976 paper by McCamy, Marcus, and Davidson in the Journal of Applied Photographic Engineering.
“The ColorChecker Color Rendition Chart (often referred to by its original name, the Macbeth ColorChecker or simply Macbeth chart) is a color calibration target consisting of a cardboard-framed arrangement of 24 squares of painted samples.
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