Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -1.09786541038
Darker point darker score: -1.10917591751
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Q1A5H715C3EK
darker: 2 (eq: False, dd: False), confidence: 2, worker: AX39A14MDLX5N
(0: guessing, 1: probably, 2: definitely)