The academic community has produced extensive documentation of usability and accessibility principles. Much of this work has been wholeheartedly adopted on an international scale, for example, by the International Organization for Standardization (ISO) , and is required by law in some countries . Nevertheless, one branch of usability continues to present implementation challenges: color contrast. One of the most important usability tasks is ensuring sufficient contrast between text and its background color. However, color contrast tools are extremely slow or not available when designers are making color decisions. I propose incorporating color contrast evaluation into design tools. A number of…
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