Looking for a festive way to spruce up your porch or patio for Independence Day? These red, white, and blue flower ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

When we “see” a combination of blue and red wavelengths, the brain bends the visual spectrum into a circle that joins blue and red at the point of purple. You might be today years old when you ...

Look closely at a rainbow, and you’ll spot red, orange, yellow, green, blue, and violet, but not purple. That’s because every color in a rainbow corresponds to a single wavelength of light.

The idea of “red states” and “blue states” may feel deeply embedded in the symbolism of US politics, but before 2000 the colors were often the other way around.