BETA
Chapter 1
The gateway of light
Chapter 2
The brain's darkroom
Chapter 3
The spectrum of color
Chapter 4
Vision variations and future tech
YOUR GOAL
Master of How the human eye sees
Ch 3 · The spectrum of color
artiteacher Match shifting hues to discover how your eye's cone cells detect color.
artiteacher The spectrum of color
Just three little cones catching the light, and the whole wide world opens up in color.
artiteacher Color blindness occurs when one or more cone types are missing or shift in their spectral sensitivity.
artiteacher Some rare individuals, mostly women, possess a fourth cone type, allowing them to see 100 million colors.
Fun Fact
Blue color: Blue is a relatively modern concept; ancient languages like Homeric Greek had no word for it, often describing the sea as 'wine-dark.'
Glossary
cone (noun)
A specialized photoreceptor cell in the retina of the eye that is responsible for color vision. The human retina contains roughly six million cones to detect red, green, and blue light wavelengths.
A specialized photoreceptor cell in the retina of the eye that is responsible for color vision. The human retina contains roughly six million cones to detect red, green, and blue light wavelengths.
Quiz
On which chromosome are the human genes for red and green cone pigments located?
Quiz
Which color was notably absent from many ancient languages, including ancient Greek?
Quiz
Which marine animal is famous for having up to 16 different color photoreceptors?