Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.291123159882
Darker point darker score: -0.87973210475
darker: 2 (eq: False, dd: False), confidence: 2, worker: A168LFJNV9DSTS
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 0, worker: A1ZCYJOVB9YEOW (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: False), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: False), confidence: 2, worker: AFO6OUDRVZ317
(0: guessing, 1: probably, 2: definitely)