Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.162848435537
Darker point darker score: 0.0618368583562
darker: 1 (eq: False, dd: True), confidence: 1, worker: APROFW08F7Z34
darker: E (eq: True, dd: None), confidence: 0, worker: A3V3O547GWAZID
darker: 1 (eq: False, dd: True), confidence: 2, worker: AGQOUDGB4N87B
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3IXQP73TWQX0D
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3TVDFJ22T1FFN (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)