Which color of visible light has the shortest wavelength?

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The color of visible light that has the shortest wavelength is violet. In the electromagnetic spectrum, visible light is made up of different colors, each corresponding to a specific wavelength. Wavelength is the distance between consecutive peaks of a wave, and for visible light, it ranges from approximately 380 nanometers (nm) for violet to about 750 nm for red.

Violet light, at the shorter end of this spectrum, has wavelengths that are roughly between 380 nm to 450 nm. Because it has the highest frequency and the shortest wavelength among the visible colors, violet light carries more energy than the other colors like blue, green, or red. This property is essential in various scientific applications, including understanding how different colors interact with materials and how they are perceived by the human eye.

The understanding of wavelength is crucial in fields like optics and photonics, influencing how we design devices such as lasers and LEDs, where specific colors are required for different applications.