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== Transparency ==
Acrobat Reader might not render transparency using RGB in a PDF that is displayed on a monitor. If the colours do not appear correctly, add the following code:
<context>
\setupcolors[pagecolormodel=auto]
</context>
<quote>In Acrobat, when transparency is used, a different route is followed (at least in the past) when rendering. Rendering colorspaces might be adapted to the output medium so it's a combination of colorspace, monitor/paper, calibration, knockout/overprint, transparency groups, assumptions, and so forth.</quote>
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* For spot colors, say spot=yes. To eliminate everything except spot colours, leaving a clean file for professional printing, accompany this with rgb=no,cmyk=no. See spot colours below for more details.
* Normally all colors are defined in RGB ''and'' CMYK and get converted if needed.
== Transparency ==
Acrobat Reader might not render transparency using RGB in a PDF that is displayed on a monitor. If the colours do not appear correctly, add the following code:
<code>
\setupcolors[pagecolormodel=auto]
</code>
In Acrobat, when transparency is used, a different route is followed (at least in the past) when rendering. Rendering colorspaces might be adapted to the output medium so it's a combination of colorspace, monitor/paper, calibration, knockout/overprint, transparency groups, assumptions, and so forth.
== Using predefined colors: {{cmd|setupcolor}} ==
\showcolor[rgb]
</context>
=== MkIV ===
