From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years. Now, a scientist from Harvard Medical School has discovered an illusion that might be ...

Is purple a real color? Scientists think everything we've ever believed about the color purple may not be true due to the shade's wavelength.

Purple, a color often associated with royalty and creativity, isn't a true color of light. Instead, it's a creation of our brain when it perceives a combination of red and blue light. This occurs ...

Purple is a non-spectral color created by the brain from red and blue signals Individual differences in eyes and brain make each person see colors uniquely All colors we perceive, including purple, ...