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Please visit Sencore as a gesture of gratitude for
allowing the use of their industry standard C.I.E. Chromaticity Chart.
Here is a very detailed dissertation on the subject of
chromaticity, along with software for generating multiple
version of the chart.
Chromaticity is commonly defined as the quality of color characterized by
its dominant or complementary wavelength and purity taken together. This chromaticity
chart plots the
human tristimulus color space according to:
x = X/(X + Y + Z),
y = Y/(X + Y + Z).
Colors along the periphery of the "horseshoe" plot (spectral locus) are pure,
monochromatic, saturated colors. Less saturated colors approach the center becomes
(i.e. it becomes whitish or grayish). The straight line across the bottom is
called the "non-spectral line of purples."
Posted August 18, 2014
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