How we see color - Colm Kelleher
Why the open web links it
Explains the biology and physics of how humans perceive a wide range of colors using just three types of receptors.
Linked by 354 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including wikiversity.org, hypothes.is, ncartmuseum.org, 2020eyecareoflondon.com, 2020visionexpress.com.