Color blindness is added the majority will say that a match has been achieved. Finally, as yet more red is added, the remaining, protanomalous, observers will declare a match at a point where normal observers will see the mixed light as definitely reddish. Protanopia, deuteranopia, protanomaly, and deuteranomaly are commonly inherited forms of red-green color blindness which affect a substantial portion of the human population. Those affected have difficulty with discriminating red and green hues due to the absence or mutation of the red or green retinal photoreceptors. It is sex-linked: genetic red-green color blindness affects males much more often than females,
This Is Colour of this, the band went on to tour the album and remained a popular live heavy music act all over the UK and began to tour Europe, they shined particularly in Leeds and London. Following the release of No Brainer, This Is Colour released two singles, "Make The Most" (Recorded and produced by Keir Atkinson, Little Massingham, Norfolk, 2010) and "Exhausting The Resource" (Recorded and produced by Keir Atkinson, LP, Bury St Edmunds, Suffolk, 2011), for which This Is Colour created their first music video, directed and edited by their guitarist Tom Cronin, with the help of photographer Jordan Green.