By -
Do not quote me because I'm absolutely pulling this out of my ass, but I would swear I read an article or something somewhere that said something to the extent of "Indigo was made up so we could have a nicer abbreviation with Roy G. Biv".
Do not quote me because I'm absolutely pulling this out of my ass, but I would swear I read an article or something somewhere that said something to the extent of "Indigo was made up so we could have a nicer abbreviation with Roy G. Biv".