When designing a racing car livery for broadcast, it’s important to consider the lighting conditions and camera angles that will be used during the race. These factors can affect how the colors of the livery appear on screen, and can make certain color combinations more or less effective.

Here are some tips for choosing color combinations that will work well for broadcast:

1. Use high-contrast colors: High-contrast color combinations, such as black and white or red and green, tend to be more visible on screen and can help the car stand out from the background.
2. Avoid using similar colors: It can be difficult to distinguish between colors that are too similar, such as different shades of blue or green. Using colors that are too similar can make the car blend in with the background or other cars.
3. Consider the lighting conditions: Different lighting conditions, such as bright sunlight or low light, can affect how colors appear on screen. Choose colors that will remain visible and legible under a variety of lighting conditions.
4. Use bold, bright colors: Bright, bold colors can help the car stand out on screen, especially if the car is shown in close-up shots.

Overall, the best color combinations for a racing car livery for broadcast will depend on the specific needs and goals of your design. It may be helpful to experiment with different color combinations and see how they look on screen before making a final decision.