Color blindness

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Author: Bang Wong
Date: June 2011
From: Nature Methods(Vol. 8, Issue 6)
Publisher: Nature Publishing Group
Document Type: Article
Length: 651 words
Lexile Measure: 1420L

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Since my first column on color coding (1) appeared, we have received a number of e-mails asking us to highlight the issue of color blindness. One of those correspondences was published in the October 2010 issue (2). Here I offer guidelines to make graphics accessible to those with color vision deficiencies.

Color blindness affects a substantial portion of the human population. Protanopia and deuteranopia, the two most common forms of inherited color blindness, are red-green color vision defects caused by the absence of red or green retinal photoreceptors, respectively. In individuals of Northern European ancestry, as many as 8 percent of men and 0.5 percent of women experience the common form of red-green color blindness (3). If a submitted manuscript happens to go to three male reviewers of Northern European descent, the chance that at least one will be color blind is 22 percent.

Picking colors suitable for color-blind readers not only enhances accessibility but also is go o d graphic design...

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Gale Document Number: GALE|A258435202