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Nito was a trading post of the Maya civilization in Mesoamerica. The site was located at the mouth of the Dulce River, where the river empties into the Gulf of Honduras. The modern Guatemala city of San Gil de Buena Vista in Izabal Department now occupies the area. The Maya created a network of trading posts. Some posts were connected by water.
The Maya writing system consists of about 1000 distinct characters or hieroglyphs ('glyphs'), and like many ancient writing systems is a mixture of syllabic signs and logograms. This script was in use from the 3rd century BCE until shortly after the Spanish conquest in the 16th century.
Color analysis can be conducted by-eye, usually matching specimen color with reference charts. This methodology has been used extensively in soil analysis, often using the Munsell color system as the reference. [1] [2] While this is a traditionally used method, it is considerably subjective, relying on the ability of the naked eye to match colors.
The Farnsworth–Munsell 100 Hue Color Vision test is a color vision test often used to test for color blindness.The system was developed by Dean Farnsworth in the 1940s and it tests the ability to isolate and arrange minute differences in various color targets with constant value and chroma that cover all the visual hues described by the Munsell color system. [1]
The Coloroid color space, showing the cylindrical geometry of luminosity (V), hue (A) and saturation (T), the relative components of pure hue (p), white (w) and black (s) that can be used to mix any hue within a single hue plane, and the relative areas of all possible (spectrally defined) colors and material (pigmented surfaces) colors according to Coloroid.
The Natural Colour System (NCS) is a proprietary perceptual color model. It is based on the color opponency hypothesis of color vision, first proposed by German physiologist Ewald Hering . [ 1 ] The current version of the NCS was developed by the Swedish Colour Centre Foundation , from 1964 onwards.
Color quality scale (CQS) is a color rendering score – a quantitative measure of the ability of a light source to reproduce colors of illuminated objects. Developed by researchers at NIST [ 1 ] the metric aims to overcome some of the issues inherent in the widely used color rendering index (CIE Ra, 1974).
Color Space and Its Divisions: Color Order from Antiquity to the present. New York: Wiley. ISBN 978-0-471-32670-0. This book only briefly mentions HSL and HSV, but is a comprehensive description of color order systems through history. Levkowitz, Haim; Herman, Gabor T. (1993). "GLHS: A Generalized Lightness, Hue and Saturation Color Model".