Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.203808823675
Darker point darker score: -0.879732139821
darker: 2 (eq: False, dd: False), confidence: 0, worker: A3UC4JITM1QD1M
darker: E (eq: True, dd: None), confidence: 1, worker: A3TO9R1Z7L6PZZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: False), confidence: 2, worker: A37Q1701BQI3TI
darker: 2 (eq: False, dd: False), confidence: 2, worker: ADPVKKFJ886DJ
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)