Use the TopoColour plugin, which is already compatible with QGIS 2.x but is not yet available in the official repository:

https://github.com/nyalldawson/topocolour

Download the zip file and unzip it in the QGIS plugin directory:

• Linux: ~/.qgis2/python/plugins
• Windows: C:\Users{username}.qgis\python\plugins

Use the TopoColour plugin, which is already compatible with QGIS 2.x but is not yet available in the official repository:

https://github.com/nyalldawson/topocolour

Download the zip file and unzip it in the QGIS plugin directory:

• Linux: ~/.qgis2/python/plugins
• Windows: C:\Users\{username}\.qgis2\python\plugins