Wavelengths ,colors and laser pointers

Spectral colors

violet 668–789 THz 380–450 nm

blue 631–668 THz 450–475 nm

cyan 606–630 THz 476–495 nm

green 526–606 THz 495–570 nm

yellow 508–526 THz 570–590 nm

orange 484–508 THz 590–620 nm

red 400–484 THz 620–750 nm

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