Color

Wavelength

Frequency

Photon energy

Violet

380–450 nm

680–790 THz

2.95–3.10 eV

Blue

450–485 nm

620–680 THz

2.64–2.75 eV

Cyan

485–500 nm

600–620 THz

2.48–2.52 eV

Green

500–565 nm

530–600 THz

2.25–2.34 eV

Yellow

565–590 nm

510–530 THz

2.10–2.17 eV

Orange

590–625 nm

480–510 THz

2.00–2.10 eV

Red

625–740 nm

405–480 THz

1.65–2.00 eV