thumb|upright=1.3|right|The conventional gradient colors of the rainbow symbol
thumb|upright=1.3|right|The conventional gradient colors of the rainbow symbol
ROYGBIV is an acronym for the sequence of hues commonly described as making up a rainbow: red, orange, yellow, green, blue, indigo, and violet. There are several mnemonics that can be used for remembering this color sequence, such as the name "Roy G. Biv" or sentences such as "Richard of York Gave Battle in Vain".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).