Complementary colors of the Electromagnetic spectrum.

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Spectroscopy
Instrument spectral parameters
Spectral ranges used in chemistry
Radiation types and transitions
The EM Spectrum
The EM spectrum explained

The Colors of Visible Radiation ¹

Wavelength Range nm	Color seen by Instrument Absorption color	Color seen by Human Eye Complement color
400 - 465	Violet	Yellowish green
465 - 482	Blue	Yellow
482 - 487	Greenish blue	Orange
487 - 493	Blue green	Red orange
493 - 498	Bluish green	Red
498 - 530	Green	Red purple
530 - 559	Yellowish green	Reddish purple
559 - 571	Yellow green	Purple
571 - 576	Greenish yellow	Violet
576 - 580	Yellow	Blue
580 - 587	Yellowish orange	Blue
587 - 597	Orange	Greenish blue
597 - 617	Reddish orange	Blue green
617 - 780	Red	Blue green

Reference:
1. "Analytical Absorption Spectroscopy", D.B. Judd; M.G. Melon (Ed.)
Chap. 9, Wiley, New York, 1950.



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