In order to explore the influence of shade on the color changes of different color Chinese rose (Rosa chinensis Jacq.) during their development, we took red variety ‘Rouge Meilland’, yellow variety ‘The Pilgrim’, and blue purple variety ‘Kinda Blue’ as experimental materials. Under the condition of normal light (CK), 25% shading (S_Ⅰ) and 50% shading (S_Ⅱ), we measured petals 6 stages of CIE value, total flavonoids and total cyanine glycosides, pH value, and the correlation between the measured parameters of various varieties. The study found that: (1) shading treatment can lead to lighter coloring and increased brightness of the petals of ‘Kinda Blue’, and the accumulation of blueness was the largest under S_Ⅱ treatment, so appropriate shading can facilitate its blueness. Under S_Ⅰ treatment, ‘The Pilgrim’ petal color was stable, and the chroma accumulation was similar to CK. Under S_Ⅱ condition, the petal color fluctuated greatly, but the saturation degree was the highest at the full flowering stage. Treatment S_Ⅰ has little influence on the petal color of ‘Rouge Meilland’, while treatment S_Ⅱ has less redness and more yellowness, and the color fluctuation was large. A large amount of shade will lead to lighter red and yellow petals of ‘Rouge Meilland’. (2) Shade could affect the stability of anthocyanin by affecting the pH value of the ‘Kinda Blue’ petals, and finally, under the coordinated action of anthocyanin and pH, it made the petals blue and purple. Proper shade increased the correlation between pH and color of the petals of ‘Rouge Meilland’, while the accumulation of anthocyanin decreased and flavonoid increased, leading to light red and yellow of the petals. Shade could cause a synergistic effect between pH and flavonoids of ‘The Pilgrim’ petals, thus enhancing their yellow and chromatism. There were significant differences in the influence of shading on the color changes of different color Chinese rose during the development process. Shading 50% increased the ornamental ability of blue and yellow Chinese rose, but decreased the ornamental ability of red Chinese rose. Shading 25% had little effect on the appreciation of the three Chinese rose varieties.