The resonant colour of light that is 41 octaves above an
at standard pitch A4=440 has a frequency of 767.96 THz. This colour has a wavelength of 390.37 nm. The equivalent RGB colours (shown above) that approximate this colour of light are #57009e.
The frequency of an
at standard pitch A4=440 is 349.23 Hz.
At a temperature of 22.22°C, the speed of sound is 345.31 m/sec. Under these conditions, an
at standard pitch A4=440 has a wavelength of 98.88 cm.