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There is a twelve-note scale in music but the "black"
are considered less important than the "white" ones.
Similarly, with spectral colours there´s an uneven
distribution, but by happenstance the visible
electromagnetic spectrum covers almost exactly one
octave. It´s therefore possible
to apply the same
to spectral colours, logarithmically arranged like notes.
One of the things you get as a result is an extra hue
between indigo and violet. This is how it goes (each
wavelength is, logarithmically speaking, the middle of
range of that colour):
The "white" hues are maroon,
red, orange, lime (roughly, i´m not au fait with the
technical terms here), green-blue, indigo and violet.
"black" hues are crimson, "blood orange", green, blue
Alternatively, these can be seen as a
sequence of colours from deep red to violet.
several advantages to this:
* It unifies the
musical and colour spectra, creating artificial
* It gets rid of the spurious "yellow",
which is really just orangey-green pretending to be a
* It´s fairer to the violet end of the spectrum,
which right now is a huge expanse of colour with just
* It compensates for the poor colour
at the shorter wavelengths by providing divisions
those colours and making them more noticeable, like the
Inuit "snow" myth.
* It provides a name for the
colour between indigo and violet.
* It involves the
||You are guaranteed to make persons with synaesthesia
completely bonkers. Their main complaint re color is that
people put the wrong color with their
letters/numbers/sounds/days of the week/etc...