Roy G. Biv has an additional hidden treasure.

The mnemonic Roy G. Biv is the name of an imaginary person with the initials RGB, which recalls “red, green, blue” which are the names of the light primaries, also known as the primary colors, I noticed. This is in addition to its well-known function of recalling the classic seven colors of the rainbow “red, orange, yellow, green, blue, indigo, violet”.

I published the ideas of this article about two weeks ago but I can’t find my way back to that account, and so I am republishing it here.