How does contrast benefit display indicators?

Contrast significantly benefits display indicators by improving legibility and drawing attention to important information. When there is a strong contrast between the text or symbols on the display and the background, it makes it easier for viewers to read and understand the information quickly. This is particularly crucial in environments where rapid decision-making is needed, as it allows users to instantly recognize critical data without straining their eyes or getting distracted. The use of contrast ensures that key indicators stand out, effectively guiding users' focus to what matters most, thereby enhancing the overall efficacy of the display.

The other options do not accurately capture the essential role contrast plays in display indicators. Enhancing color saturation alone does not guarantee legibility. Additionally, while complexity in design can sometimes arise from poor use of contrast, effectively applied contrast typically simplifies and clarifies rather than complicates. Lastly, while icons can serve as visual cues, a good use of contrast does not negate their need; instead, it complements and enhances their visibility and effectiveness.