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# Notes on Color usage.

## Table of Contents
 * [style/color](#style_color)
 * [Proxspace](#proxspace)
 * [](#)

The client should autodetect color support when starting.

You can also use the command  `pref show` to see and set your personal setting.  

Why use colors in the Proxmark client? When evertyhing is white it is hard to extract the important information fast. You also need new-lines for extra space to be easier to read.
We have gradually been introducing this color scheme into the client since we got decent color support on all systems: OSX, Linux, WSL, Proxspace.


## style/color
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The following definition has be crystalized out from these experiments.  Its not set in stone yet so take this document as a guideline for how to create unified system scheme.

### Definition
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- blue - system related headers, banner
- white  - normal
- cyan - headers
- red - warning, error,  catastrophic failures
- yellow - informative  (to make things stick out from white blob)
- green - successful,  (to make things stick out from white blob)
- magenta - device side messages


### Styled header
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```
    PrintAndLogEx(NORMAL, "");
    PrintAndLogEx(INFO, "--- " _CYAN_("Tag Information") " ---------------------------");
    PrintAndLogEx(INFO, "-------------------------------------------------------------");
```
For more examples, see also all **-h**  helptext now in the LUA scripts.
For the command help texts using _YELLOW_ for the example makes it very easy to see what is the command vs the description.

### non styled header
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Most commands doesn't use a header yet. We added it to make it standout (ie: yellow,  green) of the informative tidbits in the output of a command. 


## Proxspace
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Proxspace has support for colors.

