Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.02535244932
Darker point darker score: 0.939895520746
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1SNF5XJQ0205C
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A38BNV13AV0S8Y
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)