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Fixing Bad UX Designs by Lisandra Maioli

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Color blindness

It impossible to talk about color and accessibility without starting with color blindness. Everyone has seen a comparison between how a colorblind person and a person with normal eyesight sees a macaw or a box of colored pencils. These photos are great for explaining what this visual impairment is all about, but how does it impact the most basic parts of a digital interface, such as a form?

Our retina has rods, which capture light, and cones, which recognize the colors. Three types of cones - specializing in recognizing blue, green, and red - are responsible for forming the entire spectrum of visible colors. You can check the graph here: http://wearecolorblind.com/article/a-quick-introduction-to-color-blindness/.

Color blindness, ...

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