wavelength : Java Glossary


Pure colours are the colours of the rainbow. Higher frequency light in the rainbow spectrum of visible light has shorter wavelengths and more energy. Mixed colours like purple and brown don’t appear on the rainbow. They can are created by mixing pure colours. Because of the way human vision works, it is possible to simulate the pure colours with mixtures of red, green and blue light. The Wavelength package will let you create the pure rainbow colours (java.awt.Color objects) given their wavelength in nanometers or their frequency in teraHertz. Yellow light is about 580 nanometers. The wavelength of an electron is much shorter — 2.42 picometers.
wavelength spectrum

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