Tom Sharp
Isaac Newton identified indigo as the color between blue and violet, one of the seven colors in the spectrum and related to the seven notes of the major scale.
See also in The book of science:
Readings on wikipedia:
Other readings:
Isaac Newton identified indigo as the color between blue and violet, one of the seven colors in the spectrum and related to the seven notes of the major scale.
See also in The book of science:
Readings on wikipedia:
Other readings: