Inactive UI components and WCAG 2 compliance
everett at zufelt.ca
Tue Oct 12 15:09:05 UTC 2010
Good morning Jonathan,
I would interpret this portion of WCAG as being not in the best interest of accessibility.
Without justified cause, an inactive (disabled) UI component should still have perceivable text, for all if there is text that is perceivable to some.
We do not know the ways in which access to this text, even if the UI control is disabled, may contribute to the user experience of the form. If we indeed want the UI control to be imperceivable Then we can hide it so that nobody uses it to build better context for the UI of the form.
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On 2010-10-12, at 10:54 AM, Jonathan Hung wrote:
> Hi Jan,
> Greg and I were having a conversation in the IRC channel about WCAG compliance and inactive/disabled UI components. According to the WCAG guideline, it states:
> "Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement."
> (Reference: http://www.w3.org/TR/2008/REC-WCAG20-20081211/#visual-audio-contrast-contrast)
> In the context of a button that is active and then becomes inactive when activated (i.e. a Submit button that is enabled until pressed), how should we interpret this guideline? It seems the *act* of becoming inactive is significant (this merits contrast?), however, the guideline states that the contrast requirement doesn't apply to inactive components. How should we handle contrast styling in this case?
> - Jonathan.
> Jonathan Hung / jhung at ocad.ca
> IDRC - Interaction Designer / Researcher
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