To overcome this problem, contrast the color of the lettering with the background color so that separation contributes to good legibility. This leads to another limitation of video technology, it cannot handle bright or saturated colors. When choosing colors remember that very bright colors can cause flare and distort other colors in the picture. The best colors to use are those in the middle of the color spectrum. Choose your the colors for your presentation carefully.
Primary colors are stronger than pastels which can get lost on video.
The further you move from strong primary colors the weaker your presentation becomes. Cool colors, such as blues and greens are said to recede. This makes them appropriate from background colors. Warm colors, such as reds, oranges and yellows are advancing colors. They attract more attention and are appropriate for text or chart elements.