Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.411195249821
Darker point darker score: -1.00880661106
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3DHYTZ1GPN0T8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A369RBYR7J9MH7 (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
darker: E (eq: True, dd: None), confidence: 1, worker: A3799NWTIYKCEV
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3P9BBIGUZ53BX (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2Y5ZXUULMXFXJ (marked invalid)
(0: guessing, 1: probably, 2: definitely)