| Color Coordinates | L* | a* | b* | C | |
|---|---|---|---|---|---|
| Choice 2 | Before | 78.09(2.34) | 2.57(0.38) | 21.76(1.73) | 21.92(1.68) |
| After | 73.17(2.01) | 3.15(0.57) | 21.88(1.24) | 22.12(1.22) | |
| RelyX U200 | Before | 77.87(91.64) | 2.09(0.59) | 20.32(1.33) | 20.43(1.30) |
| After | 73.88(1.85) | 2.87(0.56) | 21.29(0.92) | 21.49(0.93) | |
| Speed Cem | Before | 79.12(1.86) | 2.05(0.30) | 21.76(1.08) | 21.85(1.81) |
| After | 76.05(2.08) | 2.72(0.44) | 21.85(1.54) | 21.95(1.52) | |