color frequency note frequency
red (397 Hz) G (392 Hz)
orange (431 Hz) A (440 Hz)
yellow (464 Hz) A# (466 Hz)
lemon (497 Hz) B (494 Hz)
green (531 Hz) C (523 Hz)
turquoise (565 Hz) C# (554 Hz)
blue (598 Hz) D (587 Hz)
indigo (632 Hz) D# (622 Hz)
violet (665 Hz) E (659 Hz)
purple (565 Hz)* A#/E (562 Hz)*
magenta (531 Hz)* G/ E (562 Hz)*
scarlet (497 Hz)* G#/D (501 Hz)*
* reverse polarity
footnotes