UCSF IT Technology

Forms are one of the most common places where accessibility problems occur.Screen readers and keyboard-only users will have issues if you do not take steps to ensure your forms are accessible. An accessible form is one that contains labeled form fields and buttons. Those labels also appear on-screen so that information is available to all users. All form fields and buttons must have explicit labels for the visual user plus in the code.

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A blind or visually impaired person can use a screen reader to hear a description of the image. If the written content contains the information needed to convey meaning, a very simple description in the image or perhaps even a null alt attribute will do. If not, make sure your alt tag information or surrounding body text is adequate to supply meaning that would be missed in its absence.

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People with visual impairments interpret color and contrast differently. That makes it difficult or impossible for them to access information communicated only by color.For example, to a user with red/green color blindness, a green image on a red background will not provide enough distinction to make the image visible. This type of color treatment also makes it difficult for some users to read text or identify links that are a different color but don’t have underlines.

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