Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.917128540473
Darker point darker score: -0.350398843845
darker: 2 (eq: False, dd: True), confidence: 1, worker: A14BFNH96MJQH
darker: 1 (eq: False, dd: False), confidence: 2, worker: A258PTOZ3D2TQR
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LC5CYDRIHNRM (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1136V0RZUR5TO
darker: 1 (eq: False, dd: False), confidence: 2, worker: A32XWNZW2DQ6UZ
(0: guessing, 1: probably, 2: definitely)