Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.137780822251
Darker point darker score: 0.0803355995632
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1AXIY3LLO186R
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1JEDFDBWHLA1F
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
darker: E (eq: True, dd: None), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)