This is something I invented, because I like the idea of working through the spectrum of light as a continuous circle, moving with the seasons. I created the following diagram to illustrate this concept, and you can see that I have included the image of a human body and a lineal depiction of the colour spectrum. This is my rainbow year: Red is the lowest frequency of light that we can see with the naked eye. Its wavelengths are long and slow. In terms of sound vibrations, this would be a very low pitch. This is why it is often considered a "masculine" colour, because the vibrations are associated with the low pitch of a man's voice. As it is the lowest frequency we see, I associate it with the lowest point of the sun, at Winter Solstice. Red is a popular colour to use during Yuletide celebrations. Red is also the colour of "stop" signs, signalling the end of the year and a period of rest. Red is also associated with the Muladhara chakra. The seed mant...