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Map between color names and RGB values
rgb = colorname(name) is the rgb-tristimulus value corresponding to the color specified by the string name.
name = colorname(rgb) is a string giving the name of the color that is closest (Euclidean) to the given rgb-tristimulus value.
XYZ = colorname(name, 'xy') is the XYZ-tristimulus value corresponding to the color specified by the string name.
name = colorname(XYZ, 'xy') is a string giving the name of the color that is closest (Euclidean) to the given XYZ-tristimulus value.
© 1990-2012 Peter Corke.