[tor-bugs] #8305 [Metrics/Metrics website]: Need clearer colors on the metrics graphs

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#8305: Need clearer colors on the metrics graphs
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 Reporter:  arma                     |          Owner:
     Type:  defect                   |         Status:  needs_information
 Priority:  Low                      |      Milestone:
Component:  Metrics/Metrics website  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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Changes (by karsten):

 * status:  new => needs_information
 * severity:   => Normal


Old description:

> https://metrics.torproject.org/network.html#bwhist-flags
>
> You see the three blue-or-sort-of-blue lines? Which one is which in the
> graph?
>
> There are other colors in the world besides blue-or-sort-of-blue, and we
> should consider using some of them. :)

New description:

 https://metrics.torproject.org/bwhist-flags.html

 You see the three blue-or-sort-of-blue lines? Which one is which in the
 graph?

 There are other colors in the world besides blue-or-sort-of-blue, and we
 should consider using some of them. :)

--

Comment:

 It's really difficult to find distinguishable colors for the colorblind.
 The [http://colorbrewer2.org/#type=qualitative&scheme=Paired&n=4
 ColorBrewer site] only lists 1 set with 4 data classes for qualitative
 colors that is colorblind safe.  I'm attaching a graph with those colors,
 but I'm not convinced that those colors are much better.  Setting to
 needs_information.  Suggestions welcome, four hex numbers of better colors
 even more so!

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8305#comment:4>
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