Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02865065499
Darker point darker score: 0.0956645135817
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: True), confidence: 1, worker: A15XHPD9NN0LU2
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1PRVVISZ1C6CQ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A237FGJCPV99GJ
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)