This tab on the Light-O-Rama Visualizer's Options dialog controls what system colors the Visualizer uses, and the defaults for fixtures:
•Tool Handle: Tool handle colors.
•Vertex Handle: Drawing vertices tool handles.
•Fixture/Prop Names: Color of the text used to display a fixture or prop name.
•Default Background Color: The color used for the sample background when a new fixture is created.
•Default RGB Sample Color: The color used for the RGB fixture when a new one is created.
•Show fixtures in color while in edit mode: When checked, the Visualizer will attempt to use the channel colors or sample RGB color for fixtures. When unchecked, black is used.
The Colors Options tab