HTML RESULT 
{pad $myColor='red'}
  <b> <font color="{$myColor}"> Hallo Wereld </font> </b> <br>
{/pad}
 Hallo Wereld

Below example gives a sneak preview of The content tag and The data tag, 2 powerfull PAD tags.

HTML RESULT 
{data 'myData'}
  ( "red", "green", "blue" ) 
{/data}
{content 'myContent'}
  <b> <font color="{$myData}"> Hello World </font> </b> <br>
{/content}
{pad data='myData', content='myContent'}
 Hello World
Hello World
Hello World