Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.0710654695164
Darker point darker score: -0.908096814354
darker: 2 (eq: False, dd: False), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3ICG6AUFB4AT
darker: 2 (eq: False, dd: False), confidence: 1, worker: A360B58589TBUS (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AC3ZBDGADKP8U
darker: 1 (eq: False, dd: True), confidence: 0, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: E (eq: True, dd: None), confidence: 0, worker: A3UC4JITM1QD1M
(0: guessing, 1: probably, 2: definitely)