Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.100886214944
Darker point darker score: -0.957815716558
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3LNPBZXHKKAA7
darker: E (eq: True, dd: None), confidence: 1, worker: A1KWFRKBCLPQXZ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NJMUQIN7L8AD
darker: E (eq: True, dd: None), confidence: 2, worker: A1TQ7UQSSQP7BD (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: False), confidence: 2, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: False), confidence: 2, worker: A8MF3Y278EWK2
(0: guessing, 1: probably, 2: definitely)