Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0430055940775
Darker point darker score: -0.931138173864
darker: 1 (eq: False, dd: False), confidence: 2, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: False), confidence: 1, worker: A239TEQ5BUWBM
darker: 1 (eq: False, dd: False), confidence: 0, worker: AFO6OUDRVZ317
darker: E (eq: True, dd: None), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A237FGJCPV99GJ
(0: guessing, 1: probably, 2: definitely)