The designer didn't match the colors well

Quick answer：

This statement suggests a dissatisfaction with the color coordination in a design project. In the field of design, effective color coordination is crucial for creating a harmonious and visually appealing outcome. It involves selecting colors that complement each other, taking into account the context, the intended mood, and the principles of color theory. A well-coordinated color scheme can enhance the aesthetic value and functionality of a design, while a poorly coordinated one can detract from it. If a designer is unable to achieve a satisfactory color scheme, it might be due to a lack of understanding of color theory, limited experience, or not considering the specific needs and preferences of the project.