Colour is believed to be the most important visual experience to human beings. It functions as a powerful information channel to the human cognitive system and has been found to play a significant role in enhancing memory performance.

Colour helps us in memorizing certain information by increasing our attentional level. The role played by colour in enhancing our attention level is undisputable. The more attention focused on certain stimuli, the more chances of the stimuli to be transferred to a more permanent memory storage.