The lighting concept of the Bund No. 29 is how to express the French Classicism style and avoid the damage to historical building. Firstly, lots of details were measured, including the reflectivity of the wall, current luminance and the contrast, the size of building moldings, etc. Secondly, Light-mixing technology combining amber LED with 3000K LED successfully reproduces the golden color of sodium lamp by lots of calculation and site experiments. The tunable luminaires were customized, which could satisfy the various needs by smart lighting control system.