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			    Color and the Chromatic Scale

	      octave		 nm
	      ---------------------------------------------------
	    9	43	A	1240	241.89255811072 THz	-
	   10	43	A#	1170	A43 is exactly this	-
	   11	__	B43	1105	as A4 AKA A440, the	-
	  12/0		C44	1040	  49th piano key is	-
	    1	44	C#	 985	    exactly 440 Hz.	-
	    2	44	D	 930				-
	    3	44	D#	 875 ----------------------------
	    4	44	E	 825- ----------------- + -------
	    5	44	F	 780-	infrared	+  Fa	-
	    6	44 ____	F#	 735-			+  -	-
	{   7	44	G    }{	 695+ -----------------	+  Sol	}
	{   8	44	G#   }{	 655+	red		+  -	}
	{   9	44	A    }{	 620+	orange		+  La	}
	{  10	44	A#   }{	 585+	yellow		+  -	}
	{  11	__	B44  }{	 550+	green		+  Si	}
	{ 12/0		C45  }{	 520+	green and cyan	+  Do	}
	{   1	45	C#   }{	 490+	blue		+  -	}
	{   2	45	D    }{	 465+			+  Re	}
	{   3	45	D#   }{	 440+			+  -	}
	{   4	45	E    }{	 415+	violet		+  Mi	}
	{   5	45	F    }{	 390+			+  Fa	}
	{   6	45 ____	F#   }{	 370+ ----------------- +  -	}
	    7	45	G	 350 --	ultraviolet -------------
	    8	45	G#	 330				-
	    9	45	A	 310	967.57023244288 THz	-
		-------------------------------------------------

Rainbows are pretty. The painter mixes colors. The musician mixes sounds. The CIE (AKA the International Commission on Illumination, the international authority on light, illumination, color, and color spaces) mixes parts of the rainbow. Their CIE 1931 color space gives coordinates of selections of the visible spectrum (360-830nm at increments of 5 nanometers). This chart shows the correlation between that and the chromatic scale.

The idea is that all perceived color is some combination of colors of the rainbow and all of those colors correspond to certain sounds that we can only hear with our eyes.

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