Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0778287946256
Darker point darker score: 0.102463826275
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 2, worker: AQAKW9NW6Z61T
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1I4YHF7RG58DV
darker: E (eq: True, dd: None), confidence: 1, worker: A1Y5DMCQYLVL74
darker: E (eq: True, dd: None), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
(0: guessing, 1: probably, 2: definitely)