New Low Vision SC to set baseline contrast for images & icons that convey information (WCAG Issue 96)

[lauracarlson]

Contrast (Minimum): The visual presentation of images and icons that convey information have a contrast ratio of at least 4.5:1

• Spin off from: WCAG GitHub Issue 96: [LowVis] graphics contrast is unmentioned (except as exceptions)
• "Using sufficient contrast for images that convey information" Draft Technique

Related WCAG SC 1.4.3 (Contrast (Minimum)

[lauracarlson]

Email Thread: WCAG Issue 96/LVTF SC Issue 3: Baseline contrast for images & icons that convey information

[allanj-uaag]

SC created on wiki
https://www.w3.org/WAI/GL/low-vision-a11y-tf/wiki/Contrast_(Minimum)

On Tue, Aug 16, 2016 at 10:23 AM, Laura Carlson [email protected]
wrote:

Email Thread: WCAG Issue 96/LVTF SC Issue 3: Baseline contrast for images
& icons that convey information
https://lists.w3.org/Archives/Public/public-low-vision-a11y-tf/2016Aug/0006.html

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Jim Allan, Accessibility Coordinator
Texas School for the Blind and Visually Impaired
1100 W. 45th St., Austin, Texas 78756
voice 512.206.9315 fax: 512.206.9264 http://www.tsbvi.edu/
"We shape our tools and thereafter our tools shape us." McLuhan, 1964

[lauracarlson]

The LVTF discussed this LVTF SC Issue 3 / WCAG issue 96 in today's teleconference.

@allanj-uaag has started a Wiki page for a new LVTF Contrast (Minimum) SC.

@slhenry has an action to include coverage of contrast of info in graphics in our Accessibility Requirements for People with Low Vision document.

[lauracarlson]

First drafts:

• Interactive Element Contrast (Minimum) SC and related email
• Informational Graphic Contrast (Minimum) SC