What color is 470 nm?
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Color of 470 nm Wavelength
The wavelength of 470 nm corresponds to the color blue. In the visible spectrum, which ranges from approximately 380 nm to 750 nm, different wavelengths are perceived as different colors by the human eye. The 470 nm wavelength falls within the blue portion of this spectrum.
Understanding the Visible Spectrum
The visible spectrum is part of the electromagnetic spectrum that can be seen by the human eye. It is typically divided into the following colors, each with its corresponding wavelength range:
- Violet: 380-450 nm
- Blue: 450-495 nm
- Green: 495-570 nm
- Yellow: 570-590 nm
- Orange: 590-620 nm
- Red: 620-750 nm
As such, the 470 nm wavelength is situated towards the middle of the blue range, making it a pure and vivid example of blue light.
Applications and Perception
Blue light at 470 nm has various applications, including in LED lighting, laser technology, and in the study of optical phenomena. It is also significant in the context of human health and circadian rhythms, as exposure to blue light can influence sleep patterns and alertness.
It's important to note that the perception of color can vary slightly among individuals due to differences in the eye's photoreceptors, but 470 nm is universally recognized as a shade of blue.