Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.08462221162
Darker point darker score: 0.134969877278
darker: 2 (eq: False, dd: True), confidence: 2, worker: A14BFNH96MJQH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SNF5XJQ0205C
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)