Primary and Secundary Colors

Black & White. Grey, Gold & Silver

Light Shades

Dark Shades



1 in 12 male | 1 in 200 female




Color is for ALL

Color is for ALL!

ColorADD is a unique, universal, inclusive and non-discriminative language that enables the color blind to identify colors, with a wide spectrum of use on companies/entities whenever color is a factor of identification, orientation or choice. 





Miguel Neiva




ColorADD, The Color Alphabet

Five graphic symbols, represent the Primary Colors (Blue, Yellow, Red) plus White and Black.




Co-Creation Solutions

Win-win-win solutions for a more colorful world!



Because, Color is for ALL!




Must See




American distribution giant Walmart private label adopts the ColorADD system in two product lines

Pen+Gear it's the North American distribution giant Walmart's private label for school and office supplies. In the stores of this chain, which operates worldwide, you can now find two product lines with the ColorADD code.


ColorADD present at Kollektivkonferanse event on sustainable mobility

Organised by KOLLEKTIVTRAFIKKFORENINGEN on 16 November in Oslo, Norway, Kollektivkonferansen was an event dedicated to the concept of Sustainable Mobility for All. It was in this context that Miguel Neiva, the creator of the ColorADD code, was invited to be present as a speaker, presenting the case study of Metro do Porto, as an organisation that has implemented the code throughout its network and communication platforms in a pioneering way worldwide.


ColorADD® at III European Patient Meeting on Achromatopsia and Blue Cone Monochromacy at University of Tübingen - Germany

The condition of color blindness goes far beyond the confusion that can occur when identifying color. Not only is there not just one type of color blindness, but there are people who are born seeing the world in black and white! Achromatopsia (ACR) and Blue Cone Monochromacy (CAM) are very rare manifestations of color blindness.