Color Color Color (American English), or colour (Commonwealth English), is the characteristic of human visual perception described through color "categories", with names such as red, orange, yellow, green, blue, or purple. This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum. Color categories and physical specifications of color are associated with objects through the wavelength of the light that is reflected from them. This reflection is governed by the object's physical properties such as light absorption, emission spectra, etc. By defining a color space, colors can be identified numerically
American Journal of Physical Anthropology statistics; not even standard deviations were allowed into his journal during his 24 years as editor-in-chief. After his death, the journal continued as the organ of the American Association of Physical Anthropologists, which Hrdlička had founded in 1930. Like the field of physical anthropology, the journal has grown and developed into research areas far beyond its origins. It publishes research in areas such as human paleontology, osteology, anatomy, biology, genetics, primatology, and forensic science. In 2009, the journal was selected by the Special Libraries Association as one of the top 10 most influential journals of the century in the fields