The background color is inspired by International Klein Blue, a hue that the artist Yves Klein first mixed in the 1950s, using it to make an array of monochromatic paintings until his death in 1962.

An August 2016 Stanford University study published in Acta Ophthalmologica found that "the birth prevalence of iris color was 63 percent brown, 20.8 percent blue, 5.7 percent green/hazel." ...

The website ismy.blue will populate a full screen of one color, and it will ask the user if it is green or blue. Colors on the screen will gradually become more similar until the site concludes ...