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RE: High Contrast support with Browsers.

From: Sean Murphy (seanmmur) <seanmmur@cisco.com>
Date: Wed, 16 May 2018 05:19:57 +0000
To: "Patrick H. Lauke" <redux@splintered.co.uk>, Jim Allan <jimallan@tsbvi.edu>
CC: WAI-IG <w3c-wai-ig@w3.org>
Message-ID: <c1798d31c4f8422ebcdcbe6ba264cf7f@XCH-RCD-001.cisco.com>
Patrick,

Hmm, do you have any references which can point to your below statement that I can review? I know that Windows dev documentations refer in the compile time the application must refer to the accessibility schemers for High contrast.

Regards
Sean Murphy
Accessibility Software ENGINEER
seanmmur@cisco.com
Tel: +61 2 8446 7751

Cisco Systems, Inc.
The Forum 201 Pacific Highway
ST LEONARDS
2065
Australia
cisco.com

http://www.cisco.com/go/accessibility


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From: Patrick H. Lauke <redux@splintered.co.uk>
Sent: Tuesday, 15 May 2018 1:50 AM
To: Jim Allan <jimallan@tsbvi.edu>; Sean Murphy (seanmmur) <seanmmur@cisco.com>
Cc: WAI-IG <w3c-wai-ig@w3.org>
Subject: RE: High Contrast support with Browsers.

Noting that on certain operating systems (iOS, Android, macOS, others?), high contrast is a low-level setting that affects ALL output at the operating system level (what’s sent to the video card/monitor), while on others (Windows, others?), it’s a setting that software needs to be specifically coded to read and then support/implement.

P

From: Jim Allan<mailto:jimallan@tsbvi.edu>
Sent: 14 May 2018 16:34
To: seanmmur@cisco.com<mailto:seanmmur@cisco.com>
Cc: WAI-IG<mailto:w3c-wai-ig@w3.org>
Subject: Re: High Contrast support with Browsers.

​Chrome does not respect High Contrast Mode (HCM​) in the OS. You must use an extension
https://chrome.google.com/webstore/detail/high-contrast/djcfdncoelnlbldjfhinnjlhdjlikmph?hl=en

respect OS HCM
IE , EDGE - https://support.microsoft.com/en-us/help/13862/windows-use-high-contrast-mode

FireFox https://support.mozilla.org/en-US/kb/accessibility-features-firefox-make-firefox-and-we#w_using-a-high-contrast-theme

Safari https://www.apple.com/accessibility/mac/vision/





On Tue, May 8, 2018 at 9:23 PM Sean Murphy (seanmmur) <seanmmur@cisco.com<mailto:seanmmur@cisco.com>> wrote:
All,

General query in relation to high contrast with browsers. Should the browser honor the OS high contrast settings or should the CSS override the OS high contrast? My view is the browser should honor the OS high contrast settings. Not sure if this is the case now.


Regards
Sean Murphy
Accessibility Software ENGINEER
seanmmur@cisco.com<mailto:seanmmur@cisco.com>
Tel: +61 2 8446 7751

Cisco Systems, Inc.
The Forum 201 Pacific Highway
ST LEONARDS
2065
Australia
cisco.com<http://cisco.com>

http://www.cisco.com/go/accessibility


Think before you print.
This email may contain confidential and privileged material for the sole use of the intended recipient. Any review, use, distribution or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive for the recipient), please contact the sender by reply email and delete all copies of this message.
http://www.cisco.com/c/en/us/about/legal/terms-sale-software-license-agreement/company-registration-information.html





--
Jim Allan, Accessibility Coordinator
Texas School for the Blind and Visually Impaired
1100 W. 45th St., Austin, Texas 78756
voice 512.206.9315    fax: 512.206.9452 http://www.tsbvi.edu/
"We shape our tools and thereafter our tools shape us." McLuhan, 1964

Received on Wednesday, 16 May 2018 05:20:26 UTC

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