Colors and hyperlinks

Charles Silverman csilverm at
Mon Jun 10 10:10:01 CDT 2002

The W3 recommendations for accessible web sites (WAI) sheds quite a bit of
light on what to do with states that information should not be

To quote from --------------------------------->>>>

Ensure that text and graphics are understandable when viewed without color.

If color alone is used to convey information, people who cannot
differentiate between certain colors and users with devices that have
non-color or non-visual displays will not receive the information. When
foreground and background colors are too close to the same hue, they may not
provide sufficient contrast when viewed using monochrome displays or by
people with different types of color deficits.


2.1 Ensure that all information conveyed with color is also available
without color, for example from context or markup. [Priority 1]
Techniques for checkpoint 2.1
2.2 Ensure that foreground and background color combinations provide
sufficient contrast when viewed by someone having color deficits or when
viewed on a black and white screen. [Priority 2 for images, Priority 3 for
Techniques for checkpoint 2.2

Here's a site for

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