Here, you can see that the link is barely distinguishable from the text. Here’s what the link looks like for individuals with this form of colorblindness… For lower-contrast sites, the effect would be even more pronounced. I’ve used a pretty dark text color in this example ( #272727). A visitor could probably still make out the link, but it’s far from ideal. The contrast between the link and text isn’t great. Here’s what that link looks like for individuals with this form of color blindness… Tritanopia, however, is a very rare form of color blindness.ĭeuteranopia is far more common, affecting 5% of all males. Here’s what that same link looks like for someone with tritanopia…Īs you can see, the hue is a bit off, but it’s still quite readable. Unfortunately, it also causes some problems for color blind individuals. Red is a pretty common color in web design. And, color blindness seems to affect men far more often than women. Red and green are the colors most often affected (PDF). Individuals with three of common forms of color blindness - deuteranopia, protanopia, and tritanopia - still see colors, but they see them as different hues than people without color blindness. Oh yea, there’s an app for that! Different Types of Color BlindnessĪ lot of folks think that being color blind means you see the world in grayscale. Better link accessibility for the color blindĪre the links on your website visible to people with color blindness? This post explores how different colors look to color blind individuals, and how you can ensure that your links are accessible.
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