Here is a set of 24 colors that you can use to color events and tracks in Cubase and Nuendo. Load your Defaults.xml file in your Cubase/Nuendo preferences folder into a text editor, search for the color section, and then replace the existing items with the ones below:
<item>
<string name="Name" value="Color 1" wide="true"/>
<int name="Color" value="5724142"/>
</item>
<item>
<string name="Name" value="Color 2" wide="true"/>
<int name="Color" value="5724142"/>
</item>
<item>
<string name="Name" value="Color 3" wide="true"/>
<int name="Color" value="7821294"/>
</item>
<item>
<string name="Name" value="Color 4" wide="true"/>
<int name="Color" value="9918446"/>
</item>
<item>
<string name="Name" value="Color 5" wide="true"/>
<int name="Color" value="10377198"/>
</item>
<item>
<string name="Name" value="Color 6" wide="true"/>
<int name="Color" value="10835950"/>
</item>
<item>
<string name="Name" value="Color 7" wide="true"/>
<int name="Color" value="15620065"/>
</item>
<item>
<string name="Name" value="Color 8" wide="true"/>
<int name="Color" value="15620002"/>
</item>
<item>
<string name="Name" value="Color 9" wide="true"/>
<int name="Color" value="15619927"/>
</item>
<item>
<string name="Name" value="Color 10" wide="true"/>
<int name="Color" value="15619927"/>
</item>
<item>
<string name="Name" value="Color 11" wide="true"/>
<int name="Color" value="15628119"/>
</item>
<item>
<string name="Name" value="Color 12" wide="true"/>
<int name="Color" value="15638103"/>
</item>
<item>
<string name="Name" value="Color 13" wide="true"/>
<int name="Color" value="15644503"/>
</item>
<item>
<string name="Name" value="Color 14" wide="true"/>
<int name="Color" value="14806615"/>
</item>
<item>
<string name="Name" value="Color 15" wide="true"/>
<int name="Color" value="12512855"/>
</item>
<item>
<string name="Name" value="Color 16" wide="true"/>
<int name="Color" value="10677847"/>
</item>
<item>
<string name="Name" value="Color 17" wide="true"/>
<int name="Color" value="5762647"/>
</item>
<item>
<string name="Name" value="Color 18" wide="true"/>
<int name="Color" value="5762679"/>
</item>
<item>
<string name="Name" value="Color 19" wide="true"/>
<int name="Color" value="5762718"/>
</item>
<item>
<string name="Name" value="Color 20" wide="true"/>
<int name="Color" value="5762718"/>
</item>
<item>
<string name="Name" value="Color 21" wide="true"/>
<int name="Color" value="5759470"/>
</item>
<item>
<string name="Name" value="Color 22" wide="true"/>
<int name="Color" value="5750510"/>
</item>
<item>
<string name="Name" value="Color 23" wide="true"/>
<int name="Color" value="5743342"/>
</item>
<item>
<string name="Name" value="Color 24" wide="true"/>
<int name="Color" value="5735150"/>
</item>
