1. One of the three qualities of color; that property by which colors of the spectrum are distinguished from each other and from grays of similar brightness; determined by the wavelength or a combination of wavelengths of light.
The definition information for hue is provided by Stedman's. You can search our medical dictionary here.
Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.