Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.28329245375
Darker point darker score: -0.966687557747
darker: E (eq: True, dd: None), confidence: 1, worker: A1ITTM18PQP5X8
darker: 1 (eq: False, dd: False), confidence: 2, worker: AWL4VD8C90KJR (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3IXQP73TWQX0D
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1CEPAN1MLYHSO
darker: 1 (eq: False, dd: False), confidence: 1, worker: ABWVRVG5B5OMX (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UIVQJXY62XU8
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)