You can customize the colors Vantage Ultimate uses.
To access Color Options:
Select Tools | Options from the main menu to launch the Options & Settings dialog
Click the Colors tab
To adjust the colours Vantage Ultimate uses, simply drag the Hue, Saturation, Luminance, Contrast and Highlight intensity sliders to suit. You can also have the application randomly select a different colour each time it starts by checking the 'Random on start' checkbox. To reset to the default colours, click the Defaults button.