26 January 2015

Living colour

Our eyes can distinguish between wavelengths that differ by just one nanometer, but only in the green section of the colour palette: human vision can simultaneously detect about fifty different shades of green

The daytime sky is actually violet but our retinas are so insensitive to this hue...that we instead see the next most prevalent color, blue.
— from The Sun's Heartbeat by Bob Berman (2011)

Image: 7 and 12 colour circles from Traité de la peinture en mignature by Claude Boutet (1708) via Wiki

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