Electromagnetic radiation is characterized by its wavelength (or frequency) and its intensity. When the wavelength is within … See more

Although Aristotle and other ancient scientists had already written on the nature of light and color vision, it was not until Newton that light was identified as the source of the color sensation. In 1810, Goethe published … See more

Color reproduction is the science of creating colors for the human eye that faithfully represent the desired color. It focuses on how to construct a spectrum of wavelengths that will best evoke a certain color in an … See more

The gamut of the human color vision is bounded by optimal colors. They are the most chromatic colors that humans are able to see.
The emission or reflectance spectrum of a color is the … See more

The meanings and associations of colors can play a major role in works of art, including literature.
Individual colors have a variety of cultural associations such as national colors (in general de… See more

Some colors are objectively unusual or special. For example orpiment was a pigment used by painters in the 16th century, but is now considered dangerous due to arsenic. Sonoluminescence is a blue-purple crea… See more