People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

One of the best visualizations ever produced of the spectrum of light from our glorious Sun reveals some mysterious holes in its array of colors. Most of the thousands of dark Fraunhofer lines in the ...

Thanks to a genetic manipulation, three color-blind mice recently gained the ability to see the world in the same hues as humans do. Mice and nonprimate mammals—much like color-blind people—see ...

It turns out that one of the colors we see in the world every single day is actually just a pigment of our imagination — er, sorry, figment of our imagination. Scientists say it's a sort of collective ...

Color is to the eye what birdsong is to the ear: a primal communion between ourselves and nature. The elemental power of color radiates from van Gogh’s shimmering wheat fields; in celestial ...

Accurate color mixing of light from LEDs requires precise knowledge of the primary colors used for mixing. While some manufacturers provide bin data for color LEDs, many do not. What is almost always ...