Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.0310290554063
Darker point darker score: not computed since the judgement is "E"
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3E3QXLHXAGY4Y
darker: E (eq: True, dd: None), confidence: 0, worker: A10S23B6VB5G8M
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2925T8JYCYNN3 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: AFO6OUDRVZ317
darker: E (eq: True, dd: None), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: E (eq: True, dd: None), confidence: 0, worker: A3A45A5YUM61LK
(0: guessing, 1: probably, 2: definitely)