The significance of different colors in layout design

Quick answer：

The use of different colors in layout design serves several purposes. It can help direct the viewer's attention to important elements, create a sense of balance and harmony, and enhance the overall aesthetic appeal of the design. Colors can also convey emotions and meanings, such as blue for calmness and red for urgency. In user interface design, color contrast is crucial for readability and accessibility. Understanding color theory and psychology is essential for effective layout design.