Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.909912565321
Darker point darker score: -0.965474233121
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2I0M1XXACA4WE (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AAS7N38GYAVF8
darker: 1 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3JJAFR9BRLG0
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)