The seven basic colors are red, orange, yellow, green, blue, indigo, and violet. This sequence is often remembered by the acronym ROYGBIV.
Sir Isaac Newton was the first to identify these seven colors in the visible spectrum of light. Although he later acknowledged that the spectrum is continuous, the concept of seven colors has persisted in popular culture and education.
While it's important to note that the color spectrum is actually continuous, the seven colors have become a widely recognized and used standard.