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From "Xi Wang (JIRA)" <>
Subject [jira] [Updated] (AMBARI-5266) Red / green colorblind problem with service status dashboard, etc.
Date Mon, 31 Mar 2014 22:47:15 GMT


Xi Wang updated AMBARI-5266:

    Fix Version/s: 1.5.1

> Red / green colorblind problem with service status dashboard, etc.
> ------------------------------------------------------------------
>                 Key: AMBARI-5266
>                 URL:
>             Project: Ambari
>          Issue Type: Improvement
>          Components: client
>    Affects Versions: 1.5.0
>            Reporter: Matt Foley
>            Assignee: Xi Wang
>             Fix For: 1.5.1
> 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
> 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:
> *
> Please consider at least adapting the palette in the next release.  Thanks.

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