Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0240280304345
Darker point darker score: -0.882478640557
darker: E (eq: True, dd: None), confidence: 1, worker: A3IIE0ASFPHDBN
darker: 1 (eq: False, dd: False), confidence: 2, worker: ATPCAF2RU1G4C (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1CEPAN1MLYHSO
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: False), confidence: 2, worker: AY4PUTE2I6K3C (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
(0: guessing, 1: probably, 2: definitely)