Access 2.1.1.5

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Access: [2.1.1.5]: ensure information not conveyed through color alone (input) (Priority 1)

Cause:

When information is conveyed using color, that information must also be made available through alternate means either through the context in which the information is presented or its markup properties. Ensure there is sufficient contrast between images and the background color.

Example:

Bad
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<html lang="en">
<head>
<title>aert1.0/2.1.1</title>
</head>
<body>
<input></input>
</body>
</html>

Solution:

References: