Tools for the Color-Blind
Read about a number of tools for those with color-blindness. One is an accessibility color wheel that helps define and select accessible groups of colors, plus a suite of simulation tools to test images.
Color Blindness vs. Color Contrast
Success Criterion 1.4.1 of the WCAG 2.0 addresses the use of color as a means of conveying information; such examples include signifying an action, emphasizing an application state or providing orientation context. This is important to consider when designing digital content for users who experience difficulties in visually perceiving color.
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