From signs and maps to product details such as the hands on alarm clocks, there is increasing attention to colors that all can read easily, particularly people with color vision deficiency.

The Color Universal Design concept aims to offer clarity for all. By rethinking how information is presented, the new designs can also benefit people who cannot read Japanese and individuals with poor eyesight.

In May, Ryohin Keikaku Co., operator of the popular Muji brand, marketed an improved version of its color-coded PET bottle identification ring tag product, changing the brightness of the colors to make them more easily distinguishable.