It is a warm and simple color, lying between the earth and the setting sun. It has the heaviness of the soil and the warmth after being exposed to the sun. Unlike the bright yellow which is too glaring, nor the dull brown which is too monotonous, it quietly blends into the gaps of nature and life with a low-saturated and gentle tone. 

The surface particles are the remaining earthiness from the clay mixture, like the sand from the field ridges and the dust from the sloping land, all incorporated into the texture of the bricks. When touched, they feel rough and solid; when viewed, they appear warm and yellow, soft. Each rough line and each raised grain of sand holds the light of day and night, and the wind of the four seasons.