Yes. According to Guidelines for Patent Examination, CNIPA accept color drawings, relevant provisions are as follows. When any ambiguity of interpretation is found in this provisional translation, the Chinese text shall prevail.
Part I, Chapter 1, 4.3
The drawings shall be executed with the aid of drafting instruments including computer. The lines shall be uniformly thick and well defined, and free from alterations. Engineering blueprint drawings shall not be used. The drawings are generally executed in black ink, when necessary, color drawings can be submitted to describe the relevant technical content of the patent application clearly.
Generally, photographs shall not be used as drawings, however, under special circumstances, for example, when a metallographic structure, histocyte, or electrophoresis pattern is to be shown, photographs may be used as drawings and they may be pasted on the sheet of drawings.
Part I, Chapter 2, 7.3
No engineerings blueprints or photographs shall be used as drawings.
The drawings shall be executed with the aid of drafting instruments including computer. The lines shall be uniformly thick and distinct, and free from alterations. Frame lines irrelevant to the figures are not allowed around the figures. The drawings are generally executed in black ink, when necessary, color drawings can be submitted to describe the relevant technical content of the patent application clearly.