The country’s “14th Five-Year Plan” emphasizes the call for the inheritance and promotion of intangible cultural heritage through digitalization. Cantonese Embroidery is divided into “Cantonese Embroidery” and “Chaozhou embroidery”. It is widely praised for its unique composition and colorful colors. This study takes Cantonese Embroidery as the research object, and uses computer technology to deeply analyze the color laws of Cantonese Embroidery works, providing contemporary designers with digital traditional color matching inspiration. This study uses Datacolor technology to collect digital color data of Cantonese Embroidery objects, converts it into DataFrame format, and uses the Apriori algorithm to analyze the color matching laws of Cantonese Embroidery. This study not only helps to inherit and promote the color art of Cantonese Embroidery, making it more convenient for embroiderers to match colors, but also provides a reference for digital color matching for modern designers.