If you don't get a response, and you have Windows 7, there's a color calibration tool included that may get you close to what you're looking for.
1) Right click on the desktop background.
2) Choose 'Screen resolution' from the context menu.
3) Click 'Advanced settings'.
4) Click the 'Color Management' tab.
5) Click the 'Color Management' button.
6) Click the 'Calibrate Display' button and follow the instructions.
You won't be using control panel, but you'll still be able to modify the color and contrast settings through this tool.