[OpenStack-docs] Diagram color scheme

Andreas Jaeger aj at suse.com
Fri Nov 14 12:24:27 UTC 2014


On 11/14/2014 02:28 AM, Matt Kassawara wrote:
> Needless to say, our existing diagram color schemes vary by document and
> sometimes look rather hideous. For example, I used the red-green-blue
> theme in the installation guide to improve contrast among the networks,
> but it lacks the civility you would find in other professional
> documentation. Similar to networking, colors are hard. For example,
> themes that implement many shades of one or two colors look professional
> but limit the ability to contrast important items. On the other hand,
> themes that implement many diverse colors offer many ways to contrast
> important items, but look harsh. I haven't found a theme that provides a
> decent balance until Robb Romans (a coworker at Rackspace) pointed out
> the Solarized theme [1] today. Although somewhat optimized for text,
> this theme provides several decent dark/light combinations for diagrams
> requiring less contrast and a series of diverse yet soft colors for
> diagrams requiring more contrast. After messing around a bit, I came up
> with a few potential color variants using this theme. Please review the
> dark/light example for simple diagrams [2] and the diverse color example
> for complex/contrasty diagrams [3] and provide comments. For the first
> diagram, indicate which of the controller node, network node, compute
> node, and block storage node objects look the best (ignore the object
> storage nodes). For the second diagram, indicate which of the nodes

I like the object storage nodes best - why should I ignore them? It's
quite elegant IMHO.

>From the other options: Network node is the worst, too little contrast.
All other three options work for me.


> (dark/light) and network colors look best. You can also reject this

I prefer the dark ones. But either would work for me.


> theme completely. However, if you do, please provide one or more
> suitable alternatives. I would like to upload a series of revitalized
> diagrams to the installation guide as soon as possible.

Great, thanks!

Andreas

> Matt
> 
> [1] http://ethanschoonover.com/solarized
> [2] http://23.253.231.218/rpc-diagrams/os-examplearchneutron-hw.png
> [3] http://23.253.231.218/rpc-diagrams/os-examplearchneutron-networks.png
> 
> 
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> 


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