code: public function colorize($row, $label)
  	{
  		switch ($row['action'])
  		{
  			case 'CONFIGURATION':
  			case 'REPOSITORY':
  				$label = preg_replace('@^(.*</span> )(.*)$@U', '$1 <span class="tl_blue">$2</span>', $label);
  				break;
  
  			case 'CRON':
  				$label = preg_replace('@^(.*</span> )(.*)$@U', '$1 <span class="tl_green">$2</span>', $label);
  				break;
  
  			case 'ERROR':
  				$label = preg_replace('@^(.*</span> )(.*)$@U', '$1 <span class="tl_red">$2</span>', $label);
  				break;
  
  			default:
  				if (isset($GLOBALS['TL_HOOKS']['colorizeLogEntries']) && \is_array($GLOBALS['TL_HOOKS']['colorizeLogEntries']))
  				{
  					foreach ($GLOBALS['TL_HOOKS']['colorizeLogEntries'] as $callback)
  					{
  						$this->import($callback[0]);
  						$label = $this->{$callback[0]}->{$callback[1]}($row, $label);
  					}
  				}
  				break;
  		}
  
  		return '<div class="ellipsis">' . $label . '</div>';
  	}
docs: Colorize the log entries depending on their category
  
  @param array  $row
  @param string $label
  
  @return string