The invention provides color mortar for wall facings, which is characterized in that the color mortar consists of the following raw materials in percentage by weight: 20 to 25 percent of cement, 50 to 60 percent of quartz sand, 10 to 20 percent of ground limestone, 2 to 4 percent of emulsion powder, 0.3 to 0.5 percent of lignocellulose, 0.3 to 0.5 percent of thixotropic lubricant, 0.15 to 0.2 percent of cellulose ether and 1 to 5 percent of inorganic pigment. The color mortar has the advantages of good weather resistance, firm and durable color and luster, good ultraviolet resistance, good binding force with various non-polar bottom layer materials, difficult cracking, and good hydrophobicity.