En aquesta pàgina expliquen els problemes d'accessibilitat lligats al color i com tractar les imatges per evitar-los.
What is colorblind?
The human eye has three types of cone cells. These cells express different types of opsin genes, which are sensitive mainly to red, green and blue, respectively. Colorblindness is the situation where the function of one of these opsins are lost, or perturbed.
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