It would be nice to have a means of changing the colours using the command-line (either explicitly specifying the colours, as with xterm, or specifying a profile, as with roxterm or gnome-terminal). I use a script to open different terminals in different colours, based on how many existing terminal windows are open on the desktop. I've gotten this idea from colleagues who do something similar. For some of us who work with multiple terminals on a desktop, this is a helpful way of quickly identifying which terminal is connected to which server.
Also, it would be great to have means of changing the colours dynamically from the terminal itself. Utilities that do that for other terminals: xtermcontrol dbus-send (roxterm)
*** Bug 14328 has been marked as a duplicate of this bug. ***
Igor referenced this bugreport in commit ea503ad545b815f8f9642f53d404cf082c3ed55d Add command line options for setting text (foreground) and backround colors https://git.xfce.org/apps/xfce4-terminal/commit?id=ea503ad545b815f8f9642f53d404cf082c3ed55d
Added options --color-text and --color-bg. The options parameters should describe a color per the following specification: https://developer.gnome.org/gdk3/stable/gdk3-RGBA-Colors.html#gdk-rgba-parse