You go to the 'About Me' section in My Gaia, then type in: [color=(here, you put the desired color, like hotpink or skyblue, or green or orange or whatever you want to.)[/color] So, it would be like:
[color=hotpink]This is an example.[/color]
To change the font size, you put [color=hotpink][size=12]This is another example in hot pink.[/size][/color]
You can mess around with the font size and color. Just remember to click 'preview' before submitting, because it might not have turned out how you wanted it to.
- Update 2011
If you require css help with your profile, visit the Guides and Resources forum or the Profile forum to find a veteran editor.