The text format of richtext used in this text is:
In this game there is a <font color="rgb(0, 255, 0)"> good </font> and <font color="rgb(255, 0, 0)"> bad </font> side.
Result: 
You can use <font color="rgb(0, 255, 0)"> Colored Text Here </font> to make a specific text colored. Make sure you have set RichText value to true.