The electromagnetic spectrum has many types of light waves. It includes radio waves, microwaves, infrared light, visible light, ultraviolet, X-rays, and gamma rays. Each type of light has a different ...

But despite attempts from the best scientists and philosophers, what color truly is, if it’s even anything tangible, remains elusive. When it comes to the vexing problem of red or any other gradient, ...

Pink hair can look great on curly hair, as seen here on Natasha Lyonne. This is almost a coral color (and looks great with ...

What color is moonlight typically, and what other colors can moonlight look like from our perspective on Earth?

Is black a colour? Black isn’t in the rainbow, but where does it fit in the colour spectrum? What makes something appear ...

You perceive electromagnetic radiation in the form of light in all the colors of the rainbow.

Ecological implications As sea ice disappears and gives way to open water, the underwater light environment shifts from a broad spectrum of colors to a narrower, blue-dominated spectrum.

Today, the effective color of LED light bulbs is described using their equivalent temperature. This is only place I know where the Kelvin temperature scale is widely used by nonscientists.

Out of all the rainbow colors of the natural light spectrum, a narrow band of sky-blue light, between 440-495 nm, provides the key signal to our circadian clocks that it is day or it is night.

The sun emits light across all the visible colors in the electromagnetic spectrum fairly evenly. When these come together united in sunlight the sun appears white.

Chakra colors represent different energy centers in the body, from red for the root chakra to violet for the crown. Discover the meanings of each chakra color.