Purple is right in between blue and red on the spectrum.
What are the colors at either end of the spectrum?
Color is the characteristic of visual perception.
True.     Human eyes are amazing things.
ocular"). The various physiological components involved in vision are referred to collectively as the visual system, and are the focus of much research in linguistics, psychology, cognitive science, neuroscience, and molecular biology, collectively referred to as vision science.
Visual system.
In humans, and a number of other mammals light enters the eye through the cornea which then the lens focuses light onto the light-sensitive membrane in the back of the eye, called the retina. The retina serves as a transducer for the
which were originally painted a similar color.
Violet and purple.
In the traditional color wheel used by painters, violet and purple are both placed between red and blue. Purple occupies the space closer to red, between crimson and violet. Violet is closer to blue, and usually less intense and bright than purple.
From the point of view of optics, violet is a real color: it occupies its own place at the end of the visible spectrum, and was one of the seven spectral colors of the