The color purple has ... But according to science, it’s also something else: a figment of our imaginations. While it looks just as real as red or blue, purple is actually an optical illusion ...

you see what you perceive as a shade of blue, and vice versa. The problem with purple is that it isn’t supposed to be possible to create a color from wavelengths on opposite ends of the spectrum.

but it is dominated by light with wavelengths between 400 nanometers (violet) and 450 nanometers (blue). A nanometer is 1 billionth of a meter. How the eye sees color The human eye is sensitive to ...

The thin coatings on your sunglasses reflect ultraviolet, violet ... blue light, but there's also a mix of the other colors as well. Because your eyes have three types of cones (for detecting ...

Popular Mechanics reports that purple is a “pigment of your imagination”: The human eye doesn’t actually see purple. Rather, the actually-not-a-color is a combination of red and blue ...

Excerpted from The Universe in 100 Colors: Weird and Wondrous Colors from Science and Nature ... the true wielder of color, the primaries are instead red, green, and blue. When it comes to color ...

("Ultra violet" with a space, we'll note: actual "ultraviolet" light is, by definition, invisible.) Each color of the year encompasses something about fashion, decorating and design trends while ...