The colors of natural materials building sculpture offer people intuitive feelings, such as the brilliance of gold, the nobility of silver, the depth of bronze, the brightness of stainless steel, the permanence of granite, the delicacy of marble... different materials have different colors, giving people different visual impacts. The selection of natural material and color in modern city sculptures reflects the psychological characteristics of modern humans’ passion for nature and cultural pursuit, while the fiberglass sculptures have colorful choices of paintings compared with natural materials.

With the appearance of composite materials, people's ability improves for the color selections, and people no longer satisfy with the simplicity of traditional material color, they often use modern methods pursuing the special effect of sculpture material, or directly apply various pigments onto the surface of the sculptures.

To achieve harmony of sculpture and surroundings, it is necessary to consider actual aspects. Such as Stuttgart center railway station south of the busy street, decorated with many public facilities, through the open street placed the sculptor Calder sculpture, the base is completely composed of tortuous triangles and painted with red, yellow, black colors. Red and yellow are lively and vivid, combined with black base with composed feeling, bringing the audience into a harmonious world.

When the colors of Fiberglass sculpture are consistent with the background or the environment, the visual presence of the body will be greatly weakened. In contrast, this leads to a strong contrast between the body and the environment, and presents a strong independence. The color combination not suitable for the occasion will be considered as not harmonious. Some environments use FRP sculpture to highlight the theme of the environment, so it is necessary to distinguish the sculpture and the environment to create a harmonious living environment, and improve their living space visually.