"Colorblind" redirects here. For color blindness in other species, see Color vision. For other uses, see Colour blind (disambiguation). The colorblind don't see the world in black and white, they can see color, but they a narrowed color perception. Colors lie closer to each other and are not as. Green (deuteran) color blindness. The green-weak (Deuteranomaly) and green-blind (Deuteranopia) colorblind have problems with any color that has some green in. : The Island of the Colorblind: Sacks, Oliver: Books. The latest Tweets from We are Colorblind (@wearecolorblind). Dedicated to making the web (and beyond) a better place for the colorblind. (by @tomvb). This interactive visual tool lets you see how accessible your color palettes are to viewers who are colorblind. Use the Colorblind Colorlab to select safe colors earlier in the design process. Learn more about colorblindness in this Wikipedia entry. Take the Colorblind World test to see how you might cope if you were colour blind! The test displays a series of slides that illustrate how colour vision. Color blindness is not a form of blindness at all, but a deficiency in the way you see color. If you are colorblind, you have difficulty distinguishing certain. Having color blindness means you can't see certain colors the way most people do — or you may not see color at all. Different types of color blindness cause.