Blue green and that color matching

Quick answer：

This refers to color matching in the context of design or fashion. The user is inquiring about which colors should be paired with blue and green to create a harmonious combination. In design, color theory is used to determine complementary and contrasting colors that work well together. For blue and green, complementary colors could include orange or red, while contrasting colors might include purple or yellow. The choice depends on the desired aesthetic effect.