Evolution of human colour vision lights, which appear to be clear. Other colour perception issues include having trouble distinguishing yellows from reds and violet, lavender and purple from blue. In other cases, objects that reflect both red and blue light may appear to just be blue to these individuals. Deuteranopes, who are missing medium wavelength sensitive cones, are similar to protanopes in that they cannot distinguish between colours in the green-yellow-red part of the electromagnetic spectrum. However, deuteranopes do not suffer from dimming issues. For example, purple colors are not seen as being opposite to other colours in the spectrum but instead appear to be
This Is Colour This Is Colour's extensive merchandise included the popular line of 'Stay Rad' t-shirts and vests. This phrase inspired a whole array of rip off's and alternative uses. This Is Colour didn't invent the phrase, but they were the first to print it. This Is Colour This Is Colour are a progressive power groove band from Suffolk, UK. They are currently unsigned but have a previous release, "No Brainer", through Thirty Days of Night Records. This Is Colour formed in the summer of 2005, out of previous projects from the original members, Tom Cronin, Luke Truman, Keir Atkinson, Nicholas Cheshire and