I'd suggest that something be added in MediaWiki core's Special:Preferences for accessibility options. Color blind correction options could be one thing in there, as well as simple options like larger text, etc just to name some other accessibility options. It surely wouldn't hurt for that to be in core.

On Mon, Sep 15, 2014 at 10:51 PM, Matthew Flaschen <mflaschen@wikimedia.org> wrote:
On 09/09/2014 07:55 AM, Amir E. Aharoni wrote:
Hi,

Disclaimer: Though I worked in an accessibility software company for
three years, I know almost nothing about color blindness, so this
question may be silly.

A participant in a recent workshop for new Wikipedia editors workshop in
Israel complained that he cannot tell red links from blue links because
he is color-blind.

Has this issue ever been noticed or addressed by anybody?

The only related thing I can think of is the option to show links to
nonexistent pages with a question mark, which was disabled on Wikimedia
sites a year or two ago. Is there anything else?

Besides the hypothetical ideas mentioned, there is the option to add user CSS.

Although not truly user friendly, this is a little easier than it used to be (you can now make personal customizations without copying them to every WMF site).  As long as you have a global account (many users do, including most new ones), you just have to go to:

https://meta.wikimedia.org/wiki/Special:MyPage/global.css

You can then add arbitrary CSS rules, e.g.:

/* Red links */
a.new {
  color: pink;
}

which will apply on all WMF sites (it is still possible to add rules that only apply on one site at Special:MyPage/common.css (all skins) or Special:MyPage/vector.css (Vector)).

Matt Flaschen


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