With a pleasant expression and color coordination

Quick answer：

The phrase '和颜悦色' translates to 'with a pleasant expression' and refers to a demeanor that is friendly and amiable. '颜色搭配' means 'color coordination' and is related to the art of harmoniously combining colors. This concept is often used in fashion, interior design, and graphic design to create visually appealing and aesthetically pleasing arrangements.