The new color code ColorAdd ® can be used in many
different ways due to its simple structure. However,
in order to be able to use it effectively, as many
color-blind people as possible should know
the principle and be able to assign the
respective colors at any time.
Here you can learn the ColorAdd code online.
start the random query by clicking on [Start query]
You can change how the answers are displayed at any time
select "similar" to get similar answers only (more demanding)
choose the correct answer by clicking on one of the four answer buttons
if the answer is correct, the smiley smiles and the next query appears