The effect of red combined with any color

Quick answer：

The combination of red with other colors can evoke various emotional and psychological responses. Red is often associated with passion, energy, and power. When paired with warm colors like orange or yellow, it can create a vibrant and lively atmosphere. With cool colors like blue or green, it can provide a striking contrast, highlighting the red's intensity. The psychological effects can range from excitement and enthusiasm to stress and anger, depending on the context and cultural interpretation.