If you type this statement in:
SELECT FirstName as '<font size="3" color="red">FirstName</font>', LastName FROM users
you get this
See how the FirstName Column text is larger red now. Is that what you were looking for?
If so here is how it works:
Your Property value
as''<font size="3" color="red">Delete this text you are reading and type in what you want displayed as the Column name</font>'
(*Note as and ' need to be touching Ex. as ' = no good as' =good*)
where it is pulling info from
You can change colors by modifying color="color name"
reference http://www.w3schools.com/tags/att_font_color.asp for more info on color names and codes.
Also Very important make sure you have the closing statement< / font > from above, if not it will change all the text to follow to the color that you specified.
Hope this helps!