Hello!
If you're referring to the actual colors, for some reason they can only be seen in quick reply, I'm not sure why this is.
Advanced:
Quick:
Until this is fixed or whatever, a nice alternative is to use the color code:
[COLOR="red"]Red[/COLOR]
All you have to do is replace the red in quotations to the color you wish to use.
It will look like this:
Red
I hope this helped you!