Vision research over the past 30 years has gradually proven that forbidden colors — reddish green and yellowish blue — are real, though some scientists still don't believe it.

The HDTV color standard is called Rec.709, and it stipulates the exact red, green and blue primary colors, and yellow, cyan and magenta secondary colors, that every broadcast and television should ...

Image sensors are built into every smartphone and every digital camera. They distinguish colors in a similar way to the human ...