The colors of Chow Tai Fook's hand lock and beaded bracelet may be different, mainly because of the differences caused by different materials, processes and production batches.

First of all, the material of the bracelet may affect the color. For example, using metal materials, different metal materials have their own unique colors. If gem materials are used, the color of the gem may be different due to the influence of different places of origin and light.

Secondly, the craft of the bracelet is also an important factor affecting the color. For example, using metal electroplating process, different electroplating processes may produce different color effects. If it is hand-made, the color may be different due to the difference of hand-made.

Finally, the production batch may also affect the color. Due to some small differences in manufacturing technology, different batches of bracelets may have different colors.

Therefore, it is normal for Chow Tai Fook to inherit the color difference between the hand lock and the beaded bracelet. Consumers can choose the color according to their own preferences and needs.