Plant leaf color comparison device

The utility model relates to a plant leaf color comparison device and aims to effectively solve the problems that the plant leaf color comparison is high in error, the plant leaf colors can not be compared, and the categories of the plant leaf colors can not be judged accurately. According to the technical scheme, the plant leaf color comparison device comprises a long shaft; the long shaft is sleeved by a first round disc which can move up and down and can rotate around the long shaft; the side surface of the first round disc is provided with first threaded holes which run through the radius of the first round disc transversely; first screws are arranged in the first threaded holes, wherein the length of each first screw is more than the radius of the first round disc; a second round disc which is fixed on the long shaft is arranged at the upper end of the first round disc; the upper surface of the second round disc is provided with a plurality of fan-shaped areas, wherein the fan-shaped areas are distributed along the circumference and are the same in size; the fan-shaped areas are filled with different colors; and a through hole is formed at the center of each fan-shaped area. The plant leaf color comparison device provided by the utility model is ingenious in structure and low in investment cost and is easy to operate. By adopting the plant leaf color comparison device, the plant leaf color comparison can be improved effectively, the plant leaf colors can be compared conveniently, and the categories of the plant leaf colors can be judged accurately.