Ans: Among purple and violet, purple is considered to be darker in comparison to violet. Though both belong to the same spectral range, but the wavelength of both colours is different. ... Violet is the colour that is visible in the colour spectrum and mixing red and blue actually gives violet.

Why does violet look like purple?

Combining wavelengths means you get something in between, but it's not a mathematical average. Purple looks like violet instead! The reason is that violet light does not only activate our short wavelength cones, but also the long wavelength cones for the reds. ... Magenta is like purple with more red.

Is purple and violet are same Colour?

Purple is not a spectral colour

As we noted at the beginning of the article, purple looks more “reddish” than violet, and that's absolutely correct. Purple is formed by mixing red and blue in a ratio close to 1:1, whereas violet is perceived by your eyes as containing more blue than red.