Table 3 Measurements with Specro2Guide for L* on two ColorChecker SG charts, produced in 2014 and in 2019
From: Exploring the limits of color accuracy in technical photography
L* | Black patches | White patches |
|---|---|---|
Chart version 2014 | 7.82–8.52; 8.98 (E6: 7.94) (C10: 8.98) | 94.72–94.93 |
Chart version 2019 | 9.74–10.79; 10.85 (E6: 10.14) (C10: 10.85) | 95.07–95.51 |