[metrics-bugs] #21196 [Metrics/Metrics website]: use colorRampPalette instead of limited colorBrewer

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#21196: use colorRampPalette instead of limited colorBrewer
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 Reporter:  iwakeh                   |          Owner:  metrics-team
     Type:  defect                   |         Status:  new
 Priority:  Medium                   |      Milestone:
Component:  Metrics/Metrics website  |        Version:
 Severity:  Minor                    |     Resolution:
 Keywords:                           |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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Comment (by karsten):

 Hmm, I'm still a fan of
 [http://colorbrewer2.org/#type=qualitative&scheme=Paired&n=12
 ColorBrewer's Paired] palette.  Those colors are carefully designed to be
 distinguishable, which is not the case with those six manually selected
 colors.

 A repetition after 12 versions seems not ideal, but is probably not the
 end of the world.  That would mean that 0.1.0 and 0.2.9 would have the
 same color, and those two should never have non-zero values on the same
 date.

 However, it seems to be an issue that 0.2.4 and 0.2.9 almost look like the
 same color, when the palette has 12 different colors.  I think that's a
 bug.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21196#comment:2>
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