Calm and rational: Cold gray-blue has a calm and restrained visual effect, which makes people feel peaceful and calm, and is suitable for expressing a rational and stable atmosphere. Low saturation: This color is low-key and not dazzling. It is easy to match with other neutral colors, giving people a peaceful and soft feeling. Modern and simple style: Cold gray-blue is often used in modern design, especially in simple and minimalist styles, bringing a cold but elegant beauty. Cold and alienated: Although the color is soft, it also conveys a sense of distance and loneliness because of the cold tone, as if you are in the cold wind of winter and feel the coldness in your heart.