You
can use HTML colors, use: '[c=#FF0000]Text[/c]' for red...
However, Plus also has standard colors built in from 0 to about 63
Some basic colors are:
code:
0 - white
1 - black
2 - dark blue
3 - dark green
4 - red
5 - dark red
7 - orange
6 - purple
8 - yellow
9 - green
12 - blue
You can also change the color of the text with the Format panel, it's in the convo window, right of the MP!L logo, and left of the little speaker (Emotioon sounds)
Or you can change the color in the personal settings window (where you change your name) to the right of the name is a button 'Format codes'