Colour chords

Have you ever wondered what the equivalent of a chord is in light: i.e., can we see them and do they look nice? Like 300+400+500Hz makes a sweet sound for the ears.

• What's the equivalent sound to orange?
• Why don't we see octaves?

Visible spectrum

430–770 THz

• Red 405–480 THz
• Green 530–600 THz
• Blue 620–680 THz

Examples

Orange is sRGB(255, 127, 0)

References

• https://www.colorhexa.com
• https://en.wikipedia.org/wiki/Visible_spectrum
• https://en.wikipedia.org/wiki/Chromaticity
• https://en.wikipedia.org/wiki/Impossible_color