color guide
11Color rendering index — Emitted light spectrum determines the color rendering index of the lamp. Color render …
12Color space — A comparison of the chromaticities enclosed by some color spaces. A color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components (e.g. RGB… …
13Color blindness — Colorblind and Colourblind redirect here. For other uses, see Colorblind (disambiguation). Color blindness or color deficiency Classification and external resources An 1895 illustration of normal vision and various kinds of color blindness …
14Color Graphics Adapter — The 640×200 2 color mode with its default foreground color Arachne Internet suite. The Color Graphics Adapter (CGA), originally also called the Color/Graphics Adapter or IBM Color/Graphics Monitor Adapter,[1] introduced in 1981, was IBM s first… …
15Color wheel — For the circular mechanical device for tinting a light beam (e.g., in a DLP video projector), see color wheel (optics). Boutet s 7 color and 12 color color circles from 1708 …
16Color gel — See also: Photographic filter Many color gels organized, some in gel frames A color gel or color filter (UK spelling: colour gel or colour filter), also known as lighting gel or simply gel, is a transparent colored material that is used in… …
17Color difference — The difference or distance between two colors is a metric of interest in color science. It allows people to quantify a notion that would otherwise be described with adjectives, to the detriment of anyone whose work is color critical. Common… …
18Guide dog — For the 2010 album by Helmet, see Seeing Eye Dog. A blind man is led by his guide dog in Brasília, Brazil …
19Color of chemicals — The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. What is seen by the eye is not the color absorbed, but the… …
20Color of the day (police) — A New York City Police Department vehicle The color of the day is a signal used by undercover officers of some police departments in the USA …
