| 色差数值与牢度级数关系表(AATCC) 色差(CIE LAB) 误差范围(CIE LAB) 级数(色变灰卡) DE = 0.0 +0.2 5 DE = 0.8 ±0.2 4-5 DE = 1.7 ±0.3 4 DE = 2.5 ±0.3 3-4 DE = 3.4 ±0.4 3 DE = 4.8 ±0.5 2-3 DE = 6.8 ±0.6 2 DE = 9.6 ±0.7 1-2 DE = 13.6 ±1.0 1 色差(CIE LAB) 误差范围(CIE LAB) 级数(沾色灰卡) DE = 0.0 +0.2 5 DE = 2.2 ±0.3 4-5 DE = 4.3 ±0.3 4 DE = 6.0 ±0.4 3-4 DE = 8.5 ±0.5 3 DE =12.0 ±0.7 2-3 DE =16.9 ±1.0 2 DE = 24.0 ±1.5 1-2 DE = 34.1 ±2.0 1 | | |
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