Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.895048481302
Darker point darker score: -0.0742308595209
darker: 2 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)