Color The science of color is sometimes called chromatics, colorimetry, or simply color science. It includes the study of the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic radiation in the visible range (that is, what is commonly referred to simply as "light"). Electromagnetic radiation is characterized by its wavelength (or frequency) and its intensity. When the wavelength is within the visible spectrum (the range of wavelengths humans can perceive, approximately from 390 nm to 700 nm), it is known as "visible light". Most light
The Color Orange motives for wearing the bracelet. At the 2008 Olympic Games the orange color was said by The Color Orange Group to have been meant to protest human rights issues in China. The Color Orange The Color Orange, an organization established in 2008 by Jens Galschiøt, to highlight the violations of the human rights in China on the occasion of the Olympic Games in Beijing August 2008. This organization uses the colour orange to peacefully bring notice to human rights violations during this time. The color orange was used as a symbol used to protest against the human rights violations in