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Date: Tue, 1 Apr 2014 20:44:14 +0000 (UTC)
From: "Xi Wang (JIRA)" <jira@apache.org>
To: dev@ambari.apache.org
Message-ID: <JIRA.12704339.1396032968493.46895.1396385054615@arcas>
In-Reply-To: <JIRA.12704339.1396032968493@arcas>
References: <JIRA.12704339.1396032968493@arcas>
Subject: [jira] [Commented] (AMBARI-5266) Red / green colorblind problem
 with service status dashboard, etc.
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    [ https://issues.apache.org/jira/browse/AMBARI-5266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956991#comment-13956991 ] 

Xi Wang commented on AMBARI-5266:
---------------------------------

Committed to trunk

> Red / green colorblind problem with service status dashboard, etc.
> ------------------------------------------------------------------
>
>                 Key: AMBARI-5266
>                 URL: https://issues.apache.org/jira/browse/AMBARI-5266
>             Project: Ambari
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.5.0
>            Reporter: Matt Foley
>            Assignee: Xi Wang
>             Fix For: 1.5.1
>
>         Attachments: AMBARI-5266.patch, AMBARI-5266.patch, AMBARI-5266.patch, Screen Shot 2014-03-31 at 3.30.53 PM.png, Screen Shot 2014-03-31 at 3.31.05 PM.png, Screen Shot 2014-03-31 at 3.31.26 PM.png, Screen Shot 2014-03-31 at 3.32.15 PM.png, Screen Shot 2014-03-31 at 3.32.27 PM.png
>
>
> The following request was made by a colleague who did not wish to publicize his colorblindness:
> "I am green colorblind and the red/green service status dots look identical to me (especially on my Dell monitor, laptop is a little better though). I am sure that other people are affected by this as well.  This may seem like a trivial request, but actually is quite inconvenient because to see service statuses, I now have to go down the list and click on each service individually."
> Evidently the particular shades of red and green currently used have very similar luminosity.  
> Solutions are readily available in the Accessibility literature, including
> * changing palette to use red/green with significantly contrasting luminosity (This is a quick-fix, especially if the colors are palettized.)
> * adding text cue along with the color indicator
> * using a left/right or other non-color graphical cue along with the color
> * etc.
> A useful website for understanding the problem in the context of web pages is:
> * http://msdn.microsoft.com/en-us/library/bb263953(v=vs.85).aspx
> Please consider at least adapting the palette in the next release.  Thanks.


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