Just because we cannot hear light does not mean that it does not give off a sound. Conversely, just because we cannot see sound does not preclude it from giving off light. Both are just waves/vibrations.
Planetary Harmonics & Neurobiological Resonances in Light, Sound, & Brain Wave Frequencies; Including the translation of sound to color
http://www.lunarplanner.com/Harmonics/planetary-harmonics.html
Tone and color frequencies and wavelengths have harmonic ratios {harmonic ratios, color}.
http://outline-of-knowledge.info/OKD/1/Consciousness/Speculations/Sensation/Mathematics/Color/harmonic%20ratios%20and%20color.html
Handy Harmonics Calculator
http://mustcalculate.com/electronics/harmonics.php?f=432k
Online tone generator with some handy features
http://www.szynalski.com/tone-generator/