The division used by Isaac Newton, in his color wheel, was: red, orange, yellow, green, blue, indigo, and violet ; a mnemonic for this order is “Roy G. Biv”. Less commonly, “VIBGYOR” is also used for the reverse order.
The division used by Isaac Newton, in his color wheel, was: red, orange, yellow, green, blue, indigo, and violet ; a mnemonic for this order is “Roy G. Biv”. Less commonly, “VIBGYOR” is also used for the reverse order.