i know how to now ;]
you need to type your text highlight your text & then click the color thing change to your color
& save it, that's how it works =D
1 write text -
2 highlight it
3 click the color's beside the AA text thing.
4 pick a color
5 should show eg : [color=/red](text)[color/]
6 then send
Hope it kind of helps XD