Editing Color constancy (section)

==Color vision==
{{main|Color vision}}
[[Color vision]] is how we perceive the objective color, which people, animals and machines are able to distinguish based on the different wavelengths of light reflected, transmitted, or emitted by the object. In humans, light is detected by the eye using two types of photoreceptors, [[Cone cells|cones]] and [[Rod cells|rods]], which send signals to the [[visual cortex]], which in turn processes those signals into a subjective perception. Color constancy is a process that allows the brain to recognize a familiar object as being a consistent color regardless of the amount or wavelengths of light reflecting from it at a given moment.<ref name=krantz>{{cite book |last=Krantz |first=John |title=Experiencing Sensation and Perception |year=2009 |publisher=Pearson Education, Limited |isbn=978-0-13-097793-9 |pages=9.9–9.10 |url=http://www.saylor.org/content/krantz_sensation/Experiencing_Sensation_and_Perception.pdf |access-date=2012-01-23 |archive-url=https://web.archive.org/web/20171117002814/http://www.saylor.org/content/krantz_sensation/Experiencing_Sensation_and_Perception.pdf |archive-date=2017-11-17 |url-status=dead }}</ref><ref name=wendy>{{Cite web|url=http://www.wendycarlos.com/colorvis/color.html|title = Wendy Carlos ColorVision1}}</ref>