Red and blue clash color effect

Quick answer：

The red and blue clash color effect refers to a visual technique where the colors red and blue are used in combination to create a striking or contrasting visual appearance. This effect is often used in graphic design, photography, and video production to draw attention or evoke certain emotions. It can range from a subtle contrast to a bold, vibrant look. In graphic design, the clash color effect can be achieved by using different shades of red and blue, or by applying various filters or layering techniques.