WCAG - Click the orange button!
I typed click orange button in my search bar to see how many sites point to a button by its color. I was disappointed to see several results. Sec 508 of the United States Access Board recommends that all web pages shall be designed so that all information conveyed with color is also available without color. When colors are the sole method of identifying elements, people with color blindness or low vision are excluded. This does not mean that all pages have to be displayed in black and white. Text labels are a great complement to color oriented element pointers. A simple way to test compliance with this guideline is to print your page on a black and white printer.
Resources
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http://www.lighthouse.org/ --
the leader worldwide in helping people of all ages who are blind or partially sighted overcome the challenges of vision loss
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