Biological pigment symbiosis Trididemnum solidum, their colors are different depending on the light regime in which they live. The colonies that are exposed to full sunlight are heavily calcified, thicker, and are white. In contrast the colonies that live in shaded areas have more phycoerythrin (pigment that absorbs green) in comparison to phycocyanin (pigment that absorbs red), thinner, and are purple. The purple color in the shaded colonies are mainly due to the phycobilin pigment of the algae, meaning the variation of exposure in light changes the colors of these colonies. Aposematism is the warning coloration to signal potential predators to stay
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.