According to Jukic´ et al. (2007), total color difference above 3 is perceivable by majority of population, and if color difference is above 6, it is obvious since colors are in different color groups.
According to Jukic´ et al.(2007), total color difference above 3 is perceivable by majorityof population, and if color difference is above 6, it is obvious sincecolors are in different color groups.